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Finding the Fourth Proportional to 3,525.93, 5,288.90 and 929.07

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Solution

The fourth proportional to 3,525.93, 5,288.90 and 929.07 is: 1,393.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.93 : 5,288.90 = 929.07 : x
  2. Step 2: Convert to fraction form
    3,525.93/5,288.90 = 929.07/x
  3. Step 3: Cross multiply
    3,525.93x = 5,288.90 × 929.07
  4. Step 4: Simplify right side
    3,525.93x = 4,913,753.68
  5. Step 5: Solve for x
    x = 4,913,753.68/3,525.93
  6. Step 6: Final answer
    x = 1,393.61

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.