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Finding the Fourth Proportional to 3,499.15, 4,829.05 and 1,927.25

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Solution

The fourth proportional to 3,499.15, 4,829.05 and 1,927.25 is: 2,659.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499.15 : 4,829.05 = 1,927.25 : x
  2. Step 2: Convert to fraction form
    3,499.15/4,829.05 = 1,927.25/x
  3. Step 3: Cross multiply
    3,499.15x = 4,829.05 × 1,927.25
  4. Step 4: Simplify right side
    3,499.15x = 9,306,762.47
  5. Step 5: Solve for x
    x = 9,306,762.47/3,499.15
  6. Step 6: Final answer
    x = 2,659.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.