Home / 3,387.92-4,675.52-1,895.91

Finding the Fourth Proportional to 3,387.92, 4,675.52 and 1,895.91

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Solution

The fourth proportional to 3,387.92, 4,675.52 and 1,895.91 is: 2,616.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.92 : 4,675.52 = 1,895.91 : x
  2. Step 2: Convert to fraction form
    3,387.92/4,675.52 = 1,895.91/x
  3. Step 3: Cross multiply
    3,387.92x = 4,675.52 × 1,895.91
  4. Step 4: Simplify right side
    3,387.92x = 8,864,355.64
  5. Step 5: Solve for x
    x = 8,864,355.64/3,387.92
  6. Step 6: Final answer
    x = 2,616.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.