Home / 2,323.61-3,206.57-1,275.65

Finding the Fourth Proportional to 2,323.61, 3,206.57 and 1,275.65

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Solution

The fourth proportional to 2,323.61, 3,206.57 and 1,275.65 is: 1,760.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,323.61 : 3,206.57 = 1,275.65 : x
  2. Step 2: Convert to fraction form
    2,323.61/3,206.57 = 1,275.65/x
  3. Step 3: Cross multiply
    2,323.61x = 3,206.57 × 1,275.65
  4. Step 4: Simplify right side
    2,323.61x = 4,090,438.61
  5. Step 5: Solve for x
    x = 4,090,438.61/2,323.61
  6. Step 6: Final answer
    x = 1,760.38

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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.