Home / 1,531.23-2,295.02-880.59

Finding the Fourth Proportional to 1,531.23, 2,295.02 and 880.59

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Solution

The fourth proportional to 1,531.23, 2,295.02 and 880.59 is: 1,319.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.23 : 2,295.02 = 880.59 : x
  2. Step 2: Convert to fraction form
    1,531.23/2,295.02 = 880.59/x
  3. Step 3: Cross multiply
    1,531.23x = 2,295.02 × 880.59
  4. Step 4: Simplify right side
    1,531.23x = 2,020,977.52
  5. Step 5: Solve for x
    x = 2,020,977.52/1,531.23
  6. Step 6: Final answer
    x = 1,319.84

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1.5x scale

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.