Home / 1,626.41-2,440.13-531.52

Finding the Fourth Proportional to 1,626.41, 2,440.13 and 531.52

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Solution

The fourth proportional to 1,626.41, 2,440.13 and 531.52 is: 797.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.41 : 2,440.13 = 531.52 : x
  2. Step 2: Convert to fraction form
    1,626.41/2,440.13 = 531.52/x
  3. Step 3: Cross multiply
    1,626.41x = 2,440.13 × 531.52
  4. Step 4: Simplify right side
    1,626.41x = 1,296,969.14
  5. Step 5: Solve for x
    x = 1,296,969.14/1,626.41
  6. Step 6: Final answer
    x = 797.44

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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.