Home / 2,851.41-4,281.91-1,865.91

Finding the Fourth Proportional to 2,851.41, 4,281.91 and 1,865.91

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Solution

The fourth proportional to 2,851.41, 4,281.91 and 1,865.91 is: 2,802.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.41 : 4,281.91 = 1,865.91 : x
  2. Step 2: Convert to fraction form
    2,851.41/4,281.91 = 1,865.91/x
  3. Step 3: Cross multiply
    2,851.41x = 4,281.91 × 1,865.91
  4. Step 4: Simplify right side
    2,851.41x = 7,989,654.02
  5. Step 5: Solve for x
    x = 7,989,654.02/2,851.41
  6. Step 6: Final answer
    x = 2,802.00

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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.