Home / 3,082.47-4,248.81-2,409.10

Finding the Fourth Proportional to 3,082.47, 4,248.81 and 2,409.10

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Solution

The fourth proportional to 3,082.47, 4,248.81 and 2,409.10 is: 3,320.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.47 : 4,248.81 = 2,409.10 : x
  2. Step 2: Convert to fraction form
    3,082.47/4,248.81 = 2,409.10/x
  3. Step 3: Cross multiply
    3,082.47x = 4,248.81 × 2,409.10
  4. Step 4: Simplify right side
    3,082.47x = 10,235,808.17
  5. Step 5: Solve for x
    x = 10,235,808.17/3,082.47
  6. Step 6: Final answer
    x = 3,320.65

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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.