Home / 2,959.65-4,080.66-2,398.05

Finding the Fourth Proportional to 2,959.65, 4,080.66 and 2,398.05

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Solution

The fourth proportional to 2,959.65, 4,080.66 and 2,398.05 is: 3,306.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.65 : 4,080.66 = 2,398.05 : x
  2. Step 2: Convert to fraction form
    2,959.65/4,080.66 = 2,398.05/x
  3. Step 3: Cross multiply
    2,959.65x = 4,080.66 × 2,398.05
  4. Step 4: Simplify right side
    2,959.65x = 9,785,626.71
  5. Step 5: Solve for x
    x = 9,785,626.71/2,959.65
  6. Step 6: Final answer
    x = 3,306.35

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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.