Home / 4,087.59-5,640.70-2,319.16

Finding the Fourth Proportional to 4,087.59, 5,640.70 and 2,319.16

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Solution

The fourth proportional to 4,087.59, 5,640.70 and 2,319.16 is: 3,200.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.59 : 5,640.70 = 2,319.16 : x
  2. Step 2: Convert to fraction form
    4,087.59/5,640.70 = 2,319.16/x
  3. Step 3: Cross multiply
    4,087.59x = 5,640.70 × 2,319.16
  4. Step 4: Simplify right side
    4,087.59x = 13,081,657.61
  5. Step 5: Solve for x
    x = 13,081,657.61/4,087.59
  6. Step 6: Final answer
    x = 3,200.34

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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.