Home / 1,872.59-2,584.13-1,127.16

Finding the Fourth Proportional to 1,872.59, 2,584.13 and 1,127.16

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Solution

The fourth proportional to 1,872.59, 2,584.13 and 1,127.16 is: 1,555.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.59 : 2,584.13 = 1,127.16 : x
  2. Step 2: Convert to fraction form
    1,872.59/2,584.13 = 1,127.16/x
  3. Step 3: Cross multiply
    1,872.59x = 2,584.13 × 1,127.16
  4. Step 4: Simplify right side
    1,872.59x = 2,912,722.34
  5. Step 5: Solve for x
    x = 2,912,722.34/1,872.59
  6. Step 6: Final answer
    x = 1,555.46

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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.