Home / 1,512.08-2,086.80-882.48

Finding the Fourth Proportional to 1,512.08, 2,086.80 and 882.48

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Solution

The fourth proportional to 1,512.08, 2,086.80 and 882.48 is: 1,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.08 : 2,086.80 = 882.48 : x
  2. Step 2: Convert to fraction form
    1,512.08/2,086.80 = 882.48/x
  3. Step 3: Cross multiply
    1,512.08x = 2,086.80 × 882.48
  4. Step 4: Simplify right side
    1,512.08x = 1,841,559.26
  5. Step 5: Solve for x
    x = 1,841,559.26/1,512.08
  6. Step 6: Final answer
    x = 1,217.90

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1.5x scale

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.