Home / 2,326.13-3,210.05-1,278.19

Finding the Fourth Proportional to 2,326.13, 3,210.05 and 1,278.19

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Solution

The fourth proportional to 2,326.13, 3,210.05 and 1,278.19 is: 1,763.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.13 : 3,210.05 = 1,278.19 : x
  2. Step 2: Convert to fraction form
    2,326.13/3,210.05 = 1,278.19/x
  3. Step 3: Cross multiply
    2,326.13x = 3,210.05 × 1,278.19
  4. Step 4: Simplify right side
    2,326.13x = 4,103,048.98
  5. Step 5: Solve for x
    x = 4,103,048.98/2,326.13
  6. Step 6: Final answer
    x = 1,763.90

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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.