Home / 3,082.29-4,625.51-1,438.99

Finding the Fourth Proportional to 3,082.29, 4,625.51 and 1,438.99

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Solution

The fourth proportional to 3,082.29, 4,625.51 and 1,438.99 is: 2,159.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.29 : 4,625.51 = 1,438.99 : x
  2. Step 2: Convert to fraction form
    3,082.29/4,625.51 = 1,438.99/x
  3. Step 3: Cross multiply
    3,082.29x = 4,625.51 × 1,438.99
  4. Step 4: Simplify right side
    3,082.29x = 6,656,062.63
  5. Step 5: Solve for x
    x = 6,656,062.63/3,082.29
  6. Step 6: Final answer
    x = 2,159.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.