Home / 4,088.70-5,641.76-2,319.98

Finding the Fourth Proportional to 4,088.70, 5,641.76 and 2,319.98

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Solution

The fourth proportional to 4,088.70, 5,641.76 and 2,319.98 is: 3,201.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.70 : 5,641.76 = 2,319.98 : x
  2. Step 2: Convert to fraction form
    4,088.70/5,641.76 = 2,319.98/x
  3. Step 3: Cross multiply
    4,088.70x = 5,641.76 × 2,319.98
  4. Step 4: Simplify right side
    4,088.70x = 13,088,747.96
  5. Step 5: Solve for x
    x = 13,088,747.96/4,088.70
  6. Step 6: Final answer
    x = 3,201.20

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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.