Home / 2,326.80-3,210.59-1,318.47

Finding the Fourth Proportional to 2,326.80, 3,210.59 and 1,318.47

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Solution

The fourth proportional to 2,326.80, 3,210.59 and 1,318.47 is: 1,819.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.80 : 3,210.59 = 1,318.47 : x
  2. Step 2: Convert to fraction form
    2,326.80/3,210.59 = 1,318.47/x
  3. Step 3: Cross multiply
    2,326.80x = 3,210.59 × 1,318.47
  4. Step 4: Simplify right side
    2,326.80x = 4,233,057.85
  5. Step 5: Solve for x
    x = 4,233,057.85/2,326.80
  6. Step 6: Final answer
    x = 1,819.26

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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.