Home / 1,767.49-2,651.68-1,248.51

Finding the Fourth Proportional to 1,767.49, 2,651.68 and 1,248.51

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Solution

The fourth proportional to 1,767.49, 2,651.68 and 1,248.51 is: 1,873.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.49 : 2,651.68 = 1,248.51 : x
  2. Step 2: Convert to fraction form
    1,767.49/2,651.68 = 1,248.51/x
  3. Step 3: Cross multiply
    1,767.49x = 2,651.68 × 1,248.51
  4. Step 4: Simplify right side
    1,767.49x = 3,310,649.00
  5. Step 5: Solve for x
    x = 3,310,649.00/1,767.49
  6. Step 6: Final answer
    x = 1,873.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.