Home / 2,574.28-3,551.40-1,525.78

Finding the Fourth Proportional to 2,574.28, 3,551.40 and 1,525.78

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Solution

The fourth proportional to 2,574.28, 3,551.40 and 1,525.78 is: 2,104.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.28 : 3,551.40 = 1,525.78 : x
  2. Step 2: Convert to fraction form
    2,574.28/3,551.40 = 1,525.78/x
  3. Step 3: Cross multiply
    2,574.28x = 3,551.40 × 1,525.78
  4. Step 4: Simplify right side
    2,574.28x = 5,418,655.09
  5. Step 5: Solve for x
    x = 5,418,655.09/2,574.28
  6. Step 6: Final answer
    x = 2,104.92

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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.