Home / 3,127.83-4,691.66-1,019.45

Finding the Fourth Proportional to 3,127.83, 4,691.66 and 1,019.45

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Solution

The fourth proportional to 3,127.83, 4,691.66 and 1,019.45 is: 1,529.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.83 : 4,691.66 = 1,019.45 : x
  2. Step 2: Convert to fraction form
    3,127.83/4,691.66 = 1,019.45/x
  3. Step 3: Cross multiply
    3,127.83x = 4,691.66 × 1,019.45
  4. Step 4: Simplify right side
    3,127.83x = 4,782,884.23
  5. Step 5: Solve for x
    x = 4,782,884.23/3,127.83
  6. Step 6: Final answer
    x = 1,529.14

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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.