Home / 4,047.40-5,581.70-2,650.92

Finding the Fourth Proportional to 4,047.40, 5,581.70 and 2,650.92

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Solution

The fourth proportional to 4,047.40, 5,581.70 and 2,650.92 is: 3,655.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.40 : 5,581.70 = 2,650.92 : x
  2. Step 2: Convert to fraction form
    4,047.40/5,581.70 = 2,650.92/x
  3. Step 3: Cross multiply
    4,047.40x = 5,581.70 × 2,650.92
  4. Step 4: Simplify right side
    4,047.40x = 14,796,640.16
  5. Step 5: Solve for x
    x = 14,796,640.16/4,047.40
  6. Step 6: Final answer
    x = 3,655.84

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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.