Home / 1,044.60-1,566.90-275.10

Finding the Fourth Proportional to 1,044.60, 1,566.90 and 275.10

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Solution

The fourth proportional to 1,044.60, 1,566.90 and 275.10 is: 412.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.60 : 1,566.90 = 275.10 : x
  2. Step 2: Convert to fraction form
    1,044.60/1,566.90 = 275.10/x
  3. Step 3: Cross multiply
    1,044.60x = 1,566.90 × 275.10
  4. Step 4: Simplify right side
    1,044.60x = 431,054.19
  5. Step 5: Solve for x
    x = 431,054.19/1,044.60
  6. Step 6: Final answer
    x = 412.65

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Double scale
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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.