Home / 1,177.32-1,756.75-1,170.48

Finding the Fourth Proportional to 1,177.32, 1,756.75 and 1,170.48

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Solution

The fourth proportional to 1,177.32, 1,756.75 and 1,170.48 is: 1,746.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.32 : 1,756.75 = 1,170.48 : x
  2. Step 2: Convert to fraction form
    1,177.32/1,756.75 = 1,170.48/x
  3. Step 3: Cross multiply
    1,177.32x = 1,756.75 × 1,170.48
  4. Step 4: Simplify right side
    1,177.32x = 2,056,240.74
  5. Step 5: Solve for x
    x = 2,056,240.74/1,177.32
  6. Step 6: Final answer
    x = 1,746.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.