Home / 1,621.52-2,432.32-467.36

Finding the Fourth Proportional to 1,621.52, 2,432.32 and 467.36

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Solution

The fourth proportional to 1,621.52, 2,432.32 and 467.36 is: 701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621.52 : 2,432.32 = 467.36 : x
  2. Step 2: Convert to fraction form
    1,621.52/2,432.32 = 467.36/x
  3. Step 3: Cross multiply
    1,621.52x = 2,432.32 × 467.36
  4. Step 4: Simplify right side
    1,621.52x = 1,136,769.08
  5. Step 5: Solve for x
    x = 1,136,769.08/1,621.52
  6. Step 6: Final answer
    x = 701.05

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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.