Home / 1,865.68-2,574.84-1,167.28

Finding the Fourth Proportional to 1,865.68, 2,574.84 and 1,167.28

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Solution

The fourth proportional to 1,865.68, 2,574.84 and 1,167.28 is: 1,610.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865.68 : 2,574.84 = 1,167.28 : x
  2. Step 2: Convert to fraction form
    1,865.68/2,574.84 = 1,167.28/x
  3. Step 3: Cross multiply
    1,865.68x = 2,574.84 × 1,167.28
  4. Step 4: Simplify right side
    1,865.68x = 3,005,559.24
  5. Step 5: Solve for x
    x = 3,005,559.24/1,865.68
  6. Step 6: Final answer
    x = 1,610.97

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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.