Home / 3,513.19-5,272.17-1,870.89

Finding the Fourth Proportional to 3,513.19, 5,272.17 and 1,870.89

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Solution

The fourth proportional to 3,513.19, 5,272.17 and 1,870.89 is: 2,807.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.19 : 5,272.17 = 1,870.89 : x
  2. Step 2: Convert to fraction form
    3,513.19/5,272.17 = 1,870.89/x
  3. Step 3: Cross multiply
    3,513.19x = 5,272.17 × 1,870.89
  4. Step 4: Simplify right side
    3,513.19x = 9,863,650.13
  5. Step 5: Solve for x
    x = 9,863,650.13/3,513.19
  6. Step 6: Final answer
    x = 2,807.61

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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.