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Finding the Fourth Proportional to 1,650.20, 2,474.51 and 554.26

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Solution

The fourth proportional to 1,650.20, 2,474.51 and 554.26 is: 831.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.20 : 2,474.51 = 554.26 : x
  2. Step 2: Convert to fraction form
    1,650.20/2,474.51 = 554.26/x
  3. Step 3: Cross multiply
    1,650.20x = 2,474.51 × 554.26
  4. Step 4: Simplify right side
    1,650.20x = 1,371,521.91
  5. Step 5: Solve for x
    x = 1,371,521.91/1,650.20
  6. Step 6: Final answer
    x = 831.12

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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.