Home / 2,881.55-4,320.27-1,399.19

Finding the Fourth Proportional to 2,881.55, 4,320.27 and 1,399.19

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Solution

The fourth proportional to 2,881.55, 4,320.27 and 1,399.19 is: 2,097.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.55 : 4,320.27 = 1,399.19 : x
  2. Step 2: Convert to fraction form
    2,881.55/4,320.27 = 1,399.19/x
  3. Step 3: Cross multiply
    2,881.55x = 4,320.27 × 1,399.19
  4. Step 4: Simplify right side
    2,881.55x = 6,044,878.58
  5. Step 5: Solve for x
    x = 6,044,878.58/2,881.55
  6. Step 6: Final answer
    x = 2,097.79

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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.