Home / 1,807.32-2,494.07-1,275.65

Finding the Fourth Proportional to 1,807.32, 2,494.07 and 1,275.65

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Solution

The fourth proportional to 1,807.32, 2,494.07 and 1,275.65 is: 1,760.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807.32 : 2,494.07 = 1,275.65 : x
  2. Step 2: Convert to fraction form
    1,807.32/2,494.07 = 1,275.65/x
  3. Step 3: Cross multiply
    1,807.32x = 2,494.07 × 1,275.65
  4. Step 4: Simplify right side
    1,807.32x = 3,181,541.55
  5. Step 5: Solve for x
    x = 3,181,541.55/1,807.32
  6. Step 6: Final answer
    x = 1,760.36

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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.