Home / 1,527.67-2,278.36-1,380.04

Finding the Fourth Proportional to 1,527.67, 2,278.36 and 1,380.04

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Solution

The fourth proportional to 1,527.67, 2,278.36 and 1,380.04 is: 2,058.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.67 : 2,278.36 = 1,380.04 : x
  2. Step 2: Convert to fraction form
    1,527.67/2,278.36 = 1,380.04/x
  3. Step 3: Cross multiply
    1,527.67x = 2,278.36 × 1,380.04
  4. Step 4: Simplify right side
    1,527.67x = 3,144,227.93
  5. Step 5: Solve for x
    x = 3,144,227.93/1,527.67
  6. Step 6: Final answer
    x = 2,058.19

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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.