Home / 2,959.77-4,439.66-1,315.88

Finding the Fourth Proportional to 2,959.77, 4,439.66 and 1,315.88

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Solution

The fourth proportional to 2,959.77, 4,439.66 and 1,315.88 is: 1,973.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.77 : 4,439.66 = 1,315.88 : x
  2. Step 2: Convert to fraction form
    2,959.77/4,439.66 = 1,315.88/x
  3. Step 3: Cross multiply
    2,959.77x = 4,439.66 × 1,315.88
  4. Step 4: Simplify right side
    2,959.77x = 5,842,055.07
  5. Step 5: Solve for x
    x = 5,842,055.07/2,959.77
  6. Step 6: Final answer
    x = 1,973.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.