Home / 1,937.97-2,899.77-1,158.40

Finding the Fourth Proportional to 1,937.97, 2,899.77 and 1,158.40

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Solution

The fourth proportional to 1,937.97, 2,899.77 and 1,158.40 is: 1,733.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.97 : 2,899.77 = 1,158.40 : x
  2. Step 2: Convert to fraction form
    1,937.97/2,899.77 = 1,158.40/x
  3. Step 3: Cross multiply
    1,937.97x = 2,899.77 × 1,158.40
  4. Step 4: Simplify right side
    1,937.97x = 3,359,079.07
  5. Step 5: Solve for x
    x = 3,359,079.07/1,937.97
  6. Step 6: Final answer
    x = 1,733.30

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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.