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Finding the Fourth Proportional to 3,870.39, 5,805.59 and 2,484.37

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Solution

The fourth proportional to 3,870.39, 5,805.59 and 2,484.37 is: 3,726.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870.39 : 5,805.59 = 2,484.37 : x
  2. Step 2: Convert to fraction form
    3,870.39/5,805.59 = 2,484.37/x
  3. Step 3: Cross multiply
    3,870.39x = 5,805.59 × 2,484.37
  4. Step 4: Simplify right side
    3,870.39x = 14,423,233.63
  5. Step 5: Solve for x
    x = 14,423,233.63/3,870.39
  6. Step 6: Final answer
    x = 3,726.56

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Similar ratio
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1.5x scale

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.