Home / 1,531.26-2,110.68-1,033.74

Finding the Fourth Proportional to 1,531.26, 2,110.68 and 1,033.74

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Solution

The fourth proportional to 1,531.26, 2,110.68 and 1,033.74 is: 1,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.26 : 2,110.68 = 1,033.74 : x
  2. Step 2: Convert to fraction form
    1,531.26/2,110.68 = 1,033.74/x
  3. Step 3: Cross multiply
    1,531.26x = 2,110.68 × 1,033.74
  4. Step 4: Simplify right side
    1,531.26x = 2,181,894.34
  5. Step 5: Solve for x
    x = 2,181,894.34/1,531.26
  6. Step 6: Final answer
    x = 1,424.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.