Home / 2,002.26-2,764.32-1,294.40

Finding the Fourth Proportional to 2,002.26, 2,764.32 and 1,294.40

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Solution

The fourth proportional to 2,002.26, 2,764.32 and 1,294.40 is: 1,787.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002.26 : 2,764.32 = 1,294.40 : x
  2. Step 2: Convert to fraction form
    2,002.26/2,764.32 = 1,294.40/x
  3. Step 3: Cross multiply
    2,002.26x = 2,764.32 × 1,294.40
  4. Step 4: Simplify right side
    2,002.26x = 3,578,135.81
  5. Step 5: Solve for x
    x = 3,578,135.81/2,002.26
  6. Step 6: Final answer
    x = 1,787.05

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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.