Home / 3,291.39-4,541.61-1,875.13

Finding the Fourth Proportional to 3,291.39, 4,541.61 and 1,875.13

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Solution

The fourth proportional to 3,291.39, 4,541.61 and 1,875.13 is: 2,587.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.39 : 4,541.61 = 1,875.13 : x
  2. Step 2: Convert to fraction form
    3,291.39/4,541.61 = 1,875.13/x
  3. Step 3: Cross multiply
    3,291.39x = 4,541.61 × 1,875.13
  4. Step 4: Simplify right side
    3,291.39x = 8,516,109.16
  5. Step 5: Solve for x
    x = 8,516,109.16/3,291.39
  6. Step 6: Final answer
    x = 2,587.39

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Double scale
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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.