Home / 1,549.95-2,139.03-1,025.07

Finding the Fourth Proportional to 1,549.95, 2,139.03 and 1,025.07

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Solution

The fourth proportional to 1,549.95, 2,139.03 and 1,025.07 is: 1,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.95 : 2,139.03 = 1,025.07 : x
  2. Step 2: Convert to fraction form
    1,549.95/2,139.03 = 1,025.07/x
  3. Step 3: Cross multiply
    1,549.95x = 2,139.03 × 1,025.07
  4. Step 4: Simplify right side
    1,549.95x = 2,192,655.48
  5. Step 5: Solve for x
    x = 2,192,655.48/1,549.95
  6. Step 6: Final answer
    x = 1,414.66

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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.