Home / 2,959.47-4,080.27-2,426.40

Finding the Fourth Proportional to 2,959.47, 4,080.27 and 2,426.40

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Solution

The fourth proportional to 2,959.47, 4,080.27 and 2,426.40 is: 3,345.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.47 : 4,080.27 = 2,426.40 : x
  2. Step 2: Convert to fraction form
    2,959.47/4,080.27 = 2,426.40/x
  3. Step 3: Cross multiply
    2,959.47x = 4,080.27 × 2,426.40
  4. Step 4: Simplify right side
    2,959.47x = 9,900,367.13
  5. Step 5: Solve for x
    x = 9,900,367.13/2,959.47
  6. Step 6: Final answer
    x = 3,345.32

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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.