Home / 2,851.10-4,276.41-903.02

Finding the Fourth Proportional to 2,851.10, 4,276.41 and 903.02

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Solution

The fourth proportional to 2,851.10, 4,276.41 and 903.02 is: 1,354.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.10 : 4,276.41 = 903.02 : x
  2. Step 2: Convert to fraction form
    2,851.10/4,276.41 = 903.02/x
  3. Step 3: Cross multiply
    2,851.10x = 4,276.41 × 903.02
  4. Step 4: Simplify right side
    2,851.10x = 3,861,683.76
  5. Step 5: Solve for x
    x = 3,861,683.76/2,851.10
  6. Step 6: Final answer
    x = 1,354.45

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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.