Home / 4,257.10-5,877.72-2,664.40

Finding the Fourth Proportional to 4,257.10, 5,877.72 and 2,664.40

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Solution

The fourth proportional to 4,257.10, 5,877.72 and 2,664.40 is: 3,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.10 : 5,877.72 = 2,664.40 : x
  2. Step 2: Convert to fraction form
    4,257.10/5,877.72 = 2,664.40/x
  3. Step 3: Cross multiply
    4,257.10x = 5,877.72 × 2,664.40
  4. Step 4: Simplify right side
    4,257.10x = 15,660,597.17
  5. Step 5: Solve for x
    x = 15,660,597.17/4,257.10
  6. Step 6: Final answer
    x = 3,678.70

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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.