Home / 2,064.36-2,849.19-1,318.55

Finding the Fourth Proportional to 2,064.36, 2,849.19 and 1,318.55

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Solution

The fourth proportional to 2,064.36, 2,849.19 and 1,318.55 is: 1,819.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064.36 : 2,849.19 = 1,318.55 : x
  2. Step 2: Convert to fraction form
    2,064.36/2,849.19 = 1,318.55/x
  3. Step 3: Cross multiply
    2,064.36x = 2,849.19 × 1,318.55
  4. Step 4: Simplify right side
    2,064.36x = 3,756,799.47
  5. Step 5: Solve for x
    x = 3,756,799.47/2,064.36
  6. Step 6: Final answer
    x = 1,819.84

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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.