Home / 1,570.24-2,356.04-748.52

Finding the Fourth Proportional to 1,570.24, 2,356.04 and 748.52

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Solution

The fourth proportional to 1,570.24, 2,356.04 and 748.52 is: 1,123.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570.24 : 2,356.04 = 748.52 : x
  2. Step 2: Convert to fraction form
    1,570.24/2,356.04 = 748.52/x
  3. Step 3: Cross multiply
    1,570.24x = 2,356.04 × 748.52
  4. Step 4: Simplify right side
    1,570.24x = 1,763,543.06
  5. Step 5: Solve for x
    x = 1,763,543.06/1,570.24
  6. Step 6: Final answer
    x = 1,123.10

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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.