Home / 2,323.68-3,206.64-1,275.72

Finding the Fourth Proportional to 2,323.68, 3,206.64 and 1,275.72

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Solution

The fourth proportional to 2,323.68, 3,206.64 and 1,275.72 is: 1,760.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,323.68 : 3,206.64 = 1,275.72 : x
  2. Step 2: Convert to fraction form
    2,323.68/3,206.64 = 1,275.72/x
  3. Step 3: Cross multiply
    2,323.68x = 3,206.64 × 1,275.72
  4. Step 4: Simplify right side
    2,323.68x = 4,090,774.78
  5. Step 5: Solve for x
    x = 4,090,774.78/2,323.68
  6. Step 6: Final answer
    x = 1,760.47

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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.