Home / 1,044.20-1,566.30-983.45

Finding the Fourth Proportional to 1,044.20, 1,566.30 and 983.45

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Solution

The fourth proportional to 1,044.20, 1,566.30 and 983.45 is: 1,475.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.20 : 1,566.30 = 983.45 : x
  2. Step 2: Convert to fraction form
    1,044.20/1,566.30 = 983.45/x
  3. Step 3: Cross multiply
    1,044.20x = 1,566.30 × 983.45
  4. Step 4: Simplify right side
    1,044.20x = 1,540,377.74
  5. Step 5: Solve for x
    x = 1,540,377.74/1,044.20
  6. Step 6: Final answer
    x = 1,475.18

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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.