Home / 1,865.52-2,574.38-1,167.28

Finding the Fourth Proportional to 1,865.52, 2,574.38 and 1,167.28

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Solution

The fourth proportional to 1,865.52, 2,574.38 and 1,167.28 is: 1,610.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865.52 : 2,574.38 = 1,167.28 : x
  2. Step 2: Convert to fraction form
    1,865.52/2,574.38 = 1,167.28/x
  3. Step 3: Cross multiply
    1,865.52x = 2,574.38 × 1,167.28
  4. Step 4: Simplify right side
    1,865.52x = 3,005,022.29
  5. Step 5: Solve for x
    x = 3,005,022.29/1,865.52
  6. Step 6: Final answer
    x = 1,610.82

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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.