Home / 2,387.64-3,294.90-1,325.37

Finding the Fourth Proportional to 2,387.64, 3,294.90 and 1,325.37

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Solution

The fourth proportional to 2,387.64, 3,294.90 and 1,325.37 is: 1,828.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.64 : 3,294.90 = 1,325.37 : x
  2. Step 2: Convert to fraction form
    2,387.64/3,294.90 = 1,325.37/x
  3. Step 3: Cross multiply
    2,387.64x = 3,294.90 × 1,325.37
  4. Step 4: Simplify right side
    2,387.64x = 4,366,961.61
  5. Step 5: Solve for x
    x = 4,366,961.61/2,387.64
  6. Step 6: Final answer
    x = 1,828.99

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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.