Home / 2,932.71-4,047.21-1,754.47

Finding the Fourth Proportional to 2,932.71, 4,047.21 and 1,754.47

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Solution

The fourth proportional to 2,932.71, 4,047.21 and 1,754.47 is: 2,421.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.71 : 4,047.21 = 1,754.47 : x
  2. Step 2: Convert to fraction form
    2,932.71/4,047.21 = 1,754.47/x
  3. Step 3: Cross multiply
    2,932.71x = 4,047.21 × 1,754.47
  4. Step 4: Simplify right side
    2,932.71x = 7,100,708.53
  5. Step 5: Solve for x
    x = 7,100,708.53/2,932.71
  6. Step 6: Final answer
    x = 2,421.21

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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.