Home / 1,807.25-2,493.23-1,276.92

Finding the Fourth Proportional to 1,807.25, 2,493.23 and 1,276.92

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Solution

The fourth proportional to 1,807.25, 2,493.23 and 1,276.92 is: 1,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807.25 : 2,493.23 = 1,276.92 : x
  2. Step 2: Convert to fraction form
    1,807.25/2,493.23 = 1,276.92/x
  3. Step 3: Cross multiply
    1,807.25x = 2,493.23 × 1,276.92
  4. Step 4: Simplify right side
    1,807.25x = 3,183,648.87
  5. Step 5: Solve for x
    x = 3,183,648.87/1,807.25
  6. Step 6: Final answer
    x = 1,761.60

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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.