Home / 1,531.56-2,297.28-377.28

Finding the Fourth Proportional to 1,531.56, 2,297.28 and 377.28

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Solution

The fourth proportional to 1,531.56, 2,297.28 and 377.28 is: 565.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.56 : 2,297.28 = 377.28 : x
  2. Step 2: Convert to fraction form
    1,531.56/2,297.28 = 377.28/x
  3. Step 3: Cross multiply
    1,531.56x = 2,297.28 × 377.28
  4. Step 4: Simplify right side
    1,531.56x = 866,717.80
  5. Step 5: Solve for x
    x = 866,717.80/1,531.56
  6. Step 6: Final answer
    x = 565.91

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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.