Home / 2,984.28-4,478.70-1,254.12

Finding the Fourth Proportional to 2,984.28, 4,478.70 and 1,254.12

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Solution

The fourth proportional to 2,984.28, 4,478.70 and 1,254.12 is: 1,882.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.28 : 4,478.70 = 1,254.12 : x
  2. Step 2: Convert to fraction form
    2,984.28/4,478.70 = 1,254.12/x
  3. Step 3: Cross multiply
    2,984.28x = 4,478.70 × 1,254.12
  4. Step 4: Simplify right side
    2,984.28x = 5,616,827.24
  5. Step 5: Solve for x
    x = 5,616,827.24/2,984.28
  6. Step 6: Final answer
    x = 1,882.14

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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.