Home / 1,868.05-2,802.18-569.43

Finding the Fourth Proportional to 1,868.05, 2,802.18 and 569.43

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Solution

The fourth proportional to 1,868.05, 2,802.18 and 569.43 is: 854.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.05 : 2,802.18 = 569.43 : x
  2. Step 2: Convert to fraction form
    1,868.05/2,802.18 = 569.43/x
  3. Step 3: Cross multiply
    1,868.05x = 2,802.18 × 569.43
  4. Step 4: Simplify right side
    1,868.05x = 1,595,645.36
  5. Step 5: Solve for x
    x = 1,595,645.36/1,868.05
  6. Step 6: Final answer
    x = 854.18

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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.