Home / 3,084.32-4,256.44-1,758

Finding the Fourth Proportional to 3,084.32, 4,256.44 and 1,758

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Solution

The fourth proportional to 3,084.32, 4,256.44 and 1,758 is: 2,426.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.32 : 4,256.44 = 1,758 : x
  2. Step 2: Convert to fraction form
    3,084.32/4,256.44 = 1,758/x
  3. Step 3: Cross multiply
    3,084.32x = 4,256.44 × 1,758
  4. Step 4: Simplify right side
    3,084.32x = 7,482,821.52
  5. Step 5: Solve for x
    x = 7,482,821.52/3,084.32
  6. Step 6: Final answer
    x = 2,426.08

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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.