Home / 3,867.12-5,800.68-1,557

Finding the Fourth Proportional to 3,867.12, 5,800.68 and 1,557

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Solution

The fourth proportional to 3,867.12, 5,800.68 and 1,557 is: 2,335.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.12 : 5,800.68 = 1,557 : x
  2. Step 2: Convert to fraction form
    3,867.12/5,800.68 = 1,557/x
  3. Step 3: Cross multiply
    3,867.12x = 5,800.68 × 1,557
  4. Step 4: Simplify right side
    3,867.12x = 9,031,658.76
  5. Step 5: Solve for x
    x = 9,031,658.76/3,867.12
  6. Step 6: Final answer
    x = 2,335.50

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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.