Home / 1,595.16-2,387.88-1,155.60

Finding the Fourth Proportional to 1,595.16, 2,387.88 and 1,155.60

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Solution

The fourth proportional to 1,595.16, 2,387.88 and 1,155.60 is: 1,729.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.16 : 2,387.88 = 1,155.60 : x
  2. Step 2: Convert to fraction form
    1,595.16/2,387.88 = 1,155.60/x
  3. Step 3: Cross multiply
    1,595.16x = 2,387.88 × 1,155.60
  4. Step 4: Simplify right side
    1,595.16x = 2,759,434.13
  5. Step 5: Solve for x
    x = 2,759,434.13/1,595.16
  6. Step 6: Final answer
    x = 1,729.88

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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.