Home / 3,613.77-5,417.64-1,535.40

Finding the Fourth Proportional to 3,613.77, 5,417.64 and 1,535.40

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Solution

The fourth proportional to 3,613.77, 5,417.64 and 1,535.40 is: 2,301.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.77 : 5,417.64 = 1,535.40 : x
  2. Step 2: Convert to fraction form
    3,613.77/5,417.64 = 1,535.40/x
  3. Step 3: Cross multiply
    3,613.77x = 5,417.64 × 1,535.40
  4. Step 4: Simplify right side
    3,613.77x = 8,318,244.46
  5. Step 5: Solve for x
    x = 8,318,244.46/3,613.77
  6. Step 6: Final answer
    x = 2,301.82

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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.