Home / 2,680.02-4,020.30-948.24

Finding the Fourth Proportional to 2,680.02, 4,020.30 and 948.24

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Solution

The fourth proportional to 2,680.02, 4,020.30 and 948.24 is: 1,422.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.02 : 4,020.30 = 948.24 : x
  2. Step 2: Convert to fraction form
    2,680.02/4,020.30 = 948.24/x
  3. Step 3: Cross multiply
    2,680.02x = 4,020.30 × 948.24
  4. Step 4: Simplify right side
    2,680.02x = 3,812,209.27
  5. Step 5: Solve for x
    x = 3,812,209.27/2,680.02
  6. Step 6: Final answer
    x = 1,422.46

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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.