Home / 2,830.02-4,248.66-2,399.88

Finding the Fourth Proportional to 2,830.02, 4,248.66 and 2,399.88

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Solution

The fourth proportional to 2,830.02, 4,248.66 and 2,399.88 is: 3,602.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.02 : 4,248.66 = 2,399.88 : x
  2. Step 2: Convert to fraction form
    2,830.02/4,248.66 = 2,399.88/x
  3. Step 3: Cross multiply
    2,830.02x = 4,248.66 × 2,399.88
  4. Step 4: Simplify right side
    2,830.02x = 10,196,274.16
  5. Step 5: Solve for x
    x = 10,196,274.16/2,830.02
  6. Step 6: Final answer
    x = 3,602.90

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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.