Home / 2,277.71-3,143.48-1,394.10

Finding the Fourth Proportional to 2,277.71, 3,143.48 and 1,394.10

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Solution

The fourth proportional to 2,277.71, 3,143.48 and 1,394.10 is: 1,924.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.71 : 3,143.48 = 1,394.10 : x
  2. Step 2: Convert to fraction form
    2,277.71/3,143.48 = 1,394.10/x
  3. Step 3: Cross multiply
    2,277.71x = 3,143.48 × 1,394.10
  4. Step 4: Simplify right side
    2,277.71x = 4,382,318.50
  5. Step 5: Solve for x
    x = 4,382,318.50/2,277.71
  6. Step 6: Final answer
    x = 1,924.00

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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.