Home / 1,475.06-2,221.87-1,249.07

Finding the Fourth Proportional to 1,475.06, 2,221.87 and 1,249.07

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Solution

The fourth proportional to 1,475.06, 2,221.87 and 1,249.07 is: 1,881.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.06 : 2,221.87 = 1,249.07 : x
  2. Step 2: Convert to fraction form
    1,475.06/2,221.87 = 1,249.07/x
  3. Step 3: Cross multiply
    1,475.06x = 2,221.87 × 1,249.07
  4. Step 4: Simplify right side
    1,475.06x = 2,775,264.92
  5. Step 5: Solve for x
    x = 2,775,264.92/1,475.06
  6. Step 6: Final answer
    x = 1,881.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.