Home / 3,477.29-5,215.88-1,397.25

Finding the Fourth Proportional to 3,477.29, 5,215.88 and 1,397.25

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Solution

The fourth proportional to 3,477.29, 5,215.88 and 1,397.25 is: 2,095.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.29 : 5,215.88 = 1,397.25 : x
  2. Step 2: Convert to fraction form
    3,477.29/5,215.88 = 1,397.25/x
  3. Step 3: Cross multiply
    3,477.29x = 5,215.88 × 1,397.25
  4. Step 4: Simplify right side
    3,477.29x = 7,287,881.34
  5. Step 5: Solve for x
    x = 7,287,881.34/3,477.29
  6. Step 6: Final answer
    x = 2,095.85

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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.