Home / 1,891.02-2,838.35-1,162.02

Finding the Fourth Proportional to 1,891.02, 2,838.35 and 1,162.02

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Solution

The fourth proportional to 1,891.02, 2,838.35 and 1,162.02 is: 1,744.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.02 : 2,838.35 = 1,162.02 : x
  2. Step 2: Convert to fraction form
    1,891.02/2,838.35 = 1,162.02/x
  3. Step 3: Cross multiply
    1,891.02x = 2,838.35 × 1,162.02
  4. Step 4: Simplify right side
    1,891.02x = 3,298,219.47
  5. Step 5: Solve for x
    x = 3,298,219.47/1,891.02
  6. Step 6: Final answer
    x = 1,744.15

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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.