Home / 2,427.17-3,350.84-1,681.70

Finding the Fourth Proportional to 2,427.17, 3,350.84 and 1,681.70

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Solution

The fourth proportional to 2,427.17, 3,350.84 and 1,681.70 is: 2,321.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.17 : 3,350.84 = 1,681.70 : x
  2. Step 2: Convert to fraction form
    2,427.17/3,350.84 = 1,681.70/x
  3. Step 3: Cross multiply
    2,427.17x = 3,350.84 × 1,681.70
  4. Step 4: Simplify right side
    2,427.17x = 5,635,082.47
  5. Step 5: Solve for x
    x = 5,635,082.47/2,427.17
  6. Step 6: Final answer
    x = 2,321.67

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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.