Home / 1,823.28-2,513.13-1,292.34

Finding the Fourth Proportional to 1,823.28, 2,513.13 and 1,292.34

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Solution

The fourth proportional to 1,823.28, 2,513.13 and 1,292.34 is: 1,781.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.28 : 2,513.13 = 1,292.34 : x
  2. Step 2: Convert to fraction form
    1,823.28/2,513.13 = 1,292.34/x
  3. Step 3: Cross multiply
    1,823.28x = 2,513.13 × 1,292.34
  4. Step 4: Simplify right side
    1,823.28x = 3,247,818.42
  5. Step 5: Solve for x
    x = 3,247,818.42/1,823.28
  6. Step 6: Final answer
    x = 1,781.31

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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.