Home / 3,090.05-4,635.35-1,009.51

Finding the Fourth Proportional to 3,090.05, 4,635.35 and 1,009.51

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Solution

The fourth proportional to 3,090.05, 4,635.35 and 1,009.51 is: 1,514.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.05 : 4,635.35 = 1,009.51 : x
  2. Step 2: Convert to fraction form
    3,090.05/4,635.35 = 1,009.51/x
  3. Step 3: Cross multiply
    3,090.05x = 4,635.35 × 1,009.51
  4. Step 4: Simplify right side
    3,090.05x = 4,679,432.18
  5. Step 5: Solve for x
    x = 4,679,432.18/3,090.05
  6. Step 6: Final answer
    x = 1,514.35

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Double scale
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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.