Home / 2,873.28-4,307.88-1,411.50

Finding the Fourth Proportional to 2,873.28, 4,307.88 and 1,411.50

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Solution

The fourth proportional to 2,873.28, 4,307.88 and 1,411.50 is: 2,116.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.28 : 4,307.88 = 1,411.50 : x
  2. Step 2: Convert to fraction form
    2,873.28/4,307.88 = 1,411.50/x
  3. Step 3: Cross multiply
    2,873.28x = 4,307.88 × 1,411.50
  4. Step 4: Simplify right side
    2,873.28x = 6,080,572.62
  5. Step 5: Solve for x
    x = 6,080,572.62/2,873.28
  6. Step 6: Final answer
    x = 2,116.25

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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.