Home / 1,952.13-2,693.75-1,112.88

Finding the Fourth Proportional to 1,952.13, 2,693.75 and 1,112.88

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Solution

The fourth proportional to 1,952.13, 2,693.75 and 1,112.88 is: 1,535.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952.13 : 2,693.75 = 1,112.88 : x
  2. Step 2: Convert to fraction form
    1,952.13/2,693.75 = 1,112.88/x
  3. Step 3: Cross multiply
    1,952.13x = 2,693.75 × 1,112.88
  4. Step 4: Simplify right side
    1,952.13x = 2,997,820.50
  5. Step 5: Solve for x
    x = 2,997,820.50/1,952.13
  6. Step 6: Final answer
    x = 1,535.67

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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.