Home / 1,271.00-1,750.08-1,112.73

Finding the Fourth Proportional to 1,271.00, 1,750.08 and 1,112.73

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Solution

The fourth proportional to 1,271.00, 1,750.08 and 1,112.73 is: 1,532.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271.00 : 1,750.08 = 1,112.73 : x
  2. Step 2: Convert to fraction form
    1,271.00/1,750.08 = 1,112.73/x
  3. Step 3: Cross multiply
    1,271.00x = 1,750.08 × 1,112.73
  4. Step 4: Simplify right side
    1,271.00x = 1,947,364.13
  5. Step 5: Solve for x
    x = 1,947,364.13/1,271.00
  6. Step 6: Final answer
    x = 1,532.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.