Home / 3,082.64-4,254.04-1,685.44

Finding the Fourth Proportional to 3,082.64, 4,254.04 and 1,685.44

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Solution

The fourth proportional to 3,082.64, 4,254.04 and 1,685.44 is: 2,325.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.64 : 4,254.04 = 1,685.44 : x
  2. Step 2: Convert to fraction form
    3,082.64/4,254.04 = 1,685.44/x
  3. Step 3: Cross multiply
    3,082.64x = 4,254.04 × 1,685.44
  4. Step 4: Simplify right side
    3,082.64x = 7,169,929.18
  5. Step 5: Solve for x
    x = 7,169,929.18/3,082.64
  6. Step 6: Final answer
    x = 2,325.91

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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.