Home / 2,263.75-3,393.29-1,275.14

Finding the Fourth Proportional to 2,263.75, 3,393.29 and 1,275.14

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Solution

The fourth proportional to 2,263.75, 3,393.29 and 1,275.14 is: 1,911.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.75 : 3,393.29 = 1,275.14 : x
  2. Step 2: Convert to fraction form
    2,263.75/3,393.29 = 1,275.14/x
  3. Step 3: Cross multiply
    2,263.75x = 3,393.29 × 1,275.14
  4. Step 4: Simplify right side
    2,263.75x = 4,326,931.48
  5. Step 5: Solve for x
    x = 4,326,931.48/2,263.75
  6. Step 6: Final answer
    x = 1,911.40

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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.