Home / 2,013.76-2,778.98-1,175.04

Finding the Fourth Proportional to 2,013.76, 2,778.98 and 1,175.04

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Solution

The fourth proportional to 2,013.76, 2,778.98 and 1,175.04 is: 1,621.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.76 : 2,778.98 = 1,175.04 : x
  2. Step 2: Convert to fraction form
    2,013.76/2,778.98 = 1,175.04/x
  3. Step 3: Cross multiply
    2,013.76x = 2,778.98 × 1,175.04
  4. Step 4: Simplify right side
    2,013.76x = 3,265,412.66
  5. Step 5: Solve for x
    x = 3,265,412.66/2,013.76
  6. Step 6: Final answer
    x = 1,621.55

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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.