Home / 1,868.16-2,799.54-1,097.04

Finding the Fourth Proportional to 1,868.16, 2,799.54 and 1,097.04

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Solution

The fourth proportional to 1,868.16, 2,799.54 and 1,097.04 is: 1,643.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.16 : 2,799.54 = 1,097.04 : x
  2. Step 2: Convert to fraction form
    1,868.16/2,799.54 = 1,097.04/x
  3. Step 3: Cross multiply
    1,868.16x = 2,799.54 × 1,097.04
  4. Step 4: Simplify right side
    1,868.16x = 3,071,207.36
  5. Step 5: Solve for x
    x = 3,071,207.36/1,868.16
  6. Step 6: Final answer
    x = 1,643.97

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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.