Home / 2,666.99-3,680.33-1,471.92

Finding the Fourth Proportional to 2,666.99, 3,680.33 and 1,471.92

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Solution

The fourth proportional to 2,666.99, 3,680.33 and 1,471.92 is: 2,031.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.99 : 3,680.33 = 1,471.92 : x
  2. Step 2: Convert to fraction form
    2,666.99/3,680.33 = 1,471.92/x
  3. Step 3: Cross multiply
    2,666.99x = 3,680.33 × 1,471.92
  4. Step 4: Simplify right side
    2,666.99x = 5,417,143.97
  5. Step 5: Solve for x
    x = 5,417,143.97/2,666.99
  6. Step 6: Final answer
    x = 2,031.19

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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.