Home / 2,323.66-3,206.70-1,275.72

Finding the Fourth Proportional to 2,323.66, 3,206.70 and 1,275.72

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Solution

The fourth proportional to 2,323.66, 3,206.70 and 1,275.72 is: 1,760.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,323.66 : 3,206.70 = 1,275.72 : x
  2. Step 2: Convert to fraction form
    2,323.66/3,206.70 = 1,275.72/x
  3. Step 3: Cross multiply
    2,323.66x = 3,206.70 × 1,275.72
  4. Step 4: Simplify right side
    2,323.66x = 4,090,851.32
  5. Step 5: Solve for x
    x = 4,090,851.32/2,323.66
  6. Step 6: Final answer
    x = 1,760.52

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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.