Home / 2,244.25-3,097.27-1,312.75

Finding the Fourth Proportional to 2,244.25, 3,097.27 and 1,312.75

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Solution

The fourth proportional to 2,244.25, 3,097.27 and 1,312.75 is: 1,811.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,244.25 : 3,097.27 = 1,312.75 : x
  2. Step 2: Convert to fraction form
    2,244.25/3,097.27 = 1,312.75/x
  3. Step 3: Cross multiply
    2,244.25x = 3,097.27 × 1,312.75
  4. Step 4: Simplify right side
    2,244.25x = 4,065,941.19
  5. Step 5: Solve for x
    x = 4,065,941.19/2,244.25
  6. Step 6: Final answer
    x = 1,811.71

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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.