Home / 1,563.68-2,345.52-1,334.12

Finding the Fourth Proportional to 1,563.68, 2,345.52 and 1,334.12

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Solution

The fourth proportional to 1,563.68, 2,345.52 and 1,334.12 is: 2,001.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.68 : 2,345.52 = 1,334.12 : x
  2. Step 2: Convert to fraction form
    1,563.68/2,345.52 = 1,334.12/x
  3. Step 3: Cross multiply
    1,563.68x = 2,345.52 × 1,334.12
  4. Step 4: Simplify right side
    1,563.68x = 3,129,205.14
  5. Step 5: Solve for x
    x = 3,129,205.14/1,563.68
  6. Step 6: Final answer
    x = 2,001.18

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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.