Home / 1,454.95-2,173.14-1,260.55

Finding the Fourth Proportional to 1,454.95, 2,173.14 and 1,260.55

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Solution

The fourth proportional to 1,454.95, 2,173.14 and 1,260.55 is: 1,882.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.95 : 2,173.14 = 1,260.55 : x
  2. Step 2: Convert to fraction form
    1,454.95/2,173.14 = 1,260.55/x
  3. Step 3: Cross multiply
    1,454.95x = 2,173.14 × 1,260.55
  4. Step 4: Simplify right side
    1,454.95x = 2,739,346.19
  5. Step 5: Solve for x
    x = 2,739,346.19/1,454.95
  6. Step 6: Final answer
    x = 1,882.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.