Home / 3,802.61-5,675.13-3,488.85

Finding the Fourth Proportional to 3,802.61, 5,675.13 and 3,488.85

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Solution

The fourth proportional to 3,802.61, 5,675.13 and 3,488.85 is: 5,206.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,802.61 : 5,675.13 = 3,488.85 : x
  2. Step 2: Convert to fraction form
    3,802.61/5,675.13 = 3,488.85/x
  3. Step 3: Cross multiply
    3,802.61x = 5,675.13 × 3,488.85
  4. Step 4: Simplify right side
    3,802.61x = 19,799,677.30
  5. Step 5: Solve for x
    x = 19,799,677.30/3,802.61
  6. Step 6: Final answer
    x = 5,206.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.