Home / 2,280.02-3,419.52-636.12

Finding the Fourth Proportional to 2,280.02, 3,419.52 and 636.12

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Solution

The fourth proportional to 2,280.02, 3,419.52 and 636.12 is: 954.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.02 : 3,419.52 = 636.12 : x
  2. Step 2: Convert to fraction form
    2,280.02/3,419.52 = 636.12/x
  3. Step 3: Cross multiply
    2,280.02x = 3,419.52 × 636.12
  4. Step 4: Simplify right side
    2,280.02x = 2,175,225.06
  5. Step 5: Solve for x
    x = 2,175,225.06/2,280.02
  6. Step 6: Final answer
    x = 954.04

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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.