Home / 3,910.19-5,397.56-2,585.70

Finding the Fourth Proportional to 3,910.19, 5,397.56 and 2,585.70

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Solution

The fourth proportional to 3,910.19, 5,397.56 and 2,585.70 is: 3,569.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.19 : 5,397.56 = 2,585.70 : x
  2. Step 2: Convert to fraction form
    3,910.19/5,397.56 = 2,585.70/x
  3. Step 3: Cross multiply
    3,910.19x = 5,397.56 × 2,585.70
  4. Step 4: Simplify right side
    3,910.19x = 13,956,457.96
  5. Step 5: Solve for x
    x = 13,956,457.96/3,910.19
  6. Step 6: Final answer
    x = 3,569.26

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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.