Home / 4,087.46-5,640.52-2,319.02

Finding the Fourth Proportional to 4,087.46, 5,640.52 and 2,319.02

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Solution

The fourth proportional to 4,087.46, 5,640.52 and 2,319.02 is: 3,200.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.46 : 5,640.52 = 2,319.02 : x
  2. Step 2: Convert to fraction form
    4,087.46/5,640.52 = 2,319.02/x
  3. Step 3: Cross multiply
    4,087.46x = 5,640.52 × 2,319.02
  4. Step 4: Simplify right side
    4,087.46x = 13,080,478.69
  5. Step 5: Solve for x
    x = 13,080,478.69/4,087.46
  6. Step 6: Final answer
    x = 3,200.15

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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.