Home / 1,621.91-2,432.87-1,048.43

Finding the Fourth Proportional to 1,621.91, 2,432.87 and 1,048.43

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Solution

The fourth proportional to 1,621.91, 2,432.87 and 1,048.43 is: 1,572.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621.91 : 2,432.87 = 1,048.43 : x
  2. Step 2: Convert to fraction form
    1,621.91/2,432.87 = 1,048.43/x
  3. Step 3: Cross multiply
    1,621.91x = 2,432.87 × 1,048.43
  4. Step 4: Simplify right side
    1,621.91x = 2,550,688.65
  5. Step 5: Solve for x
    x = 2,550,688.65/1,621.91
  6. Step 6: Final answer
    x = 1,572.65

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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.