Home / 3,091.38-4,637.10-1,448.70

Finding the Fourth Proportional to 3,091.38, 4,637.10 and 1,448.70

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Solution

The fourth proportional to 3,091.38, 4,637.10 and 1,448.70 is: 2,173.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.38 : 4,637.10 = 1,448.70 : x
  2. Step 2: Convert to fraction form
    3,091.38/4,637.10 = 1,448.70/x
  3. Step 3: Cross multiply
    3,091.38x = 4,637.10 × 1,448.70
  4. Step 4: Simplify right side
    3,091.38x = 6,717,766.77
  5. Step 5: Solve for x
    x = 6,717,766.77/3,091.38
  6. Step 6: Final answer
    x = 2,173.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.