Home / 1,591.66-2,387.58-1,072.18

Finding the Fourth Proportional to 1,591.66, 2,387.58 and 1,072.18

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Solution

The fourth proportional to 1,591.66, 2,387.58 and 1,072.18 is: 1,608.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.66 : 2,387.58 = 1,072.18 : x
  2. Step 2: Convert to fraction form
    1,591.66/2,387.58 = 1,072.18/x
  3. Step 3: Cross multiply
    1,591.66x = 2,387.58 × 1,072.18
  4. Step 4: Simplify right side
    1,591.66x = 2,559,915.52
  5. Step 5: Solve for x
    x = 2,559,915.52/1,591.66
  6. Step 6: Final answer
    x = 1,608.33

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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.