Home / 1,523.49-2,280.79-1,377.58

Finding the Fourth Proportional to 1,523.49, 2,280.79 and 1,377.58

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Solution

The fourth proportional to 1,523.49, 2,280.79 and 1,377.58 is: 2,062.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523.49 : 2,280.79 = 1,377.58 : x
  2. Step 2: Convert to fraction form
    1,523.49/2,280.79 = 1,377.58/x
  3. Step 3: Cross multiply
    1,523.49x = 2,280.79 × 1,377.58
  4. Step 4: Simplify right side
    1,523.49x = 3,141,963.24
  5. Step 5: Solve for x
    x = 3,141,963.24/1,523.49
  6. Step 6: Final answer
    x = 2,062.34

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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.