Home / 1,632.74-2,252.34-1,042.65

Finding the Fourth Proportional to 1,632.74, 2,252.34 and 1,042.65

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Solution

The fourth proportional to 1,632.74, 2,252.34 and 1,042.65 is: 1,438.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.74 : 2,252.34 = 1,042.65 : x
  2. Step 2: Convert to fraction form
    1,632.74/2,252.34 = 1,042.65/x
  3. Step 3: Cross multiply
    1,632.74x = 2,252.34 × 1,042.65
  4. Step 4: Simplify right side
    1,632.74x = 2,348,402.30
  5. Step 5: Solve for x
    x = 2,348,402.30/1,632.74
  6. Step 6: Final answer
    x = 1,438.32

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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.