Home / 2,574.28-3,548.10-1,786.96

Finding the Fourth Proportional to 2,574.28, 3,548.10 and 1,786.96

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Solution

The fourth proportional to 2,574.28, 3,548.10 and 1,786.96 is: 2,462.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.28 : 3,548.10 = 1,786.96 : x
  2. Step 2: Convert to fraction form
    2,574.28/3,548.10 = 1,786.96/x
  3. Step 3: Cross multiply
    2,574.28x = 3,548.10 × 1,786.96
  4. Step 4: Simplify right side
    2,574.28x = 6,340,312.78
  5. Step 5: Solve for x
    x = 6,340,312.78/2,574.28
  6. Step 6: Final answer
    x = 2,462.95

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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.