Home / 2,326.25-3,210.17-1,278.32

Finding the Fourth Proportional to 2,326.25, 3,210.17 and 1,278.32

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Solution

The fourth proportional to 2,326.25, 3,210.17 and 1,278.32 is: 1,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.25 : 3,210.17 = 1,278.32 : x
  2. Step 2: Convert to fraction form
    2,326.25/3,210.17 = 1,278.32/x
  3. Step 3: Cross multiply
    2,326.25x = 3,210.17 × 1,278.32
  4. Step 4: Simplify right side
    2,326.25x = 4,103,602.07
  5. Step 5: Solve for x
    x = 4,103,602.07/2,326.25
  6. Step 6: Final answer
    x = 1,764.04

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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.