Home / 2,725.02-4,087.64-876.15

Finding the Fourth Proportional to 2,725.02, 4,087.64 and 876.15

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Solution

The fourth proportional to 2,725.02, 4,087.64 and 876.15 is: 1,314.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.02 : 4,087.64 = 876.15 : x
  2. Step 2: Convert to fraction form
    2,725.02/4,087.64 = 876.15/x
  3. Step 3: Cross multiply
    2,725.02x = 4,087.64 × 876.15
  4. Step 4: Simplify right side
    2,725.02x = 3,581,381.41
  5. Step 5: Solve for x
    x = 3,581,381.41/2,725.02
  6. Step 6: Final answer
    x = 1,314.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.