Home / 3,159.78-4,737.08-2,378.27

Finding the Fourth Proportional to 3,159.78, 4,737.08 and 2,378.27

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Solution

The fourth proportional to 3,159.78, 4,737.08 and 2,378.27 is: 3,565.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.78 : 4,737.08 = 2,378.27 : x
  2. Step 2: Convert to fraction form
    3,159.78/4,737.08 = 2,378.27/x
  3. Step 3: Cross multiply
    3,159.78x = 4,737.08 × 2,378.27
  4. Step 4: Simplify right side
    3,159.78x = 11,266,019.67
  5. Step 5: Solve for x
    x = 11,266,019.67/3,159.78
  6. Step 6: Final answer
    x = 3,565.44

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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.