Home / 1,868.11-2,802.56-569.54

Finding the Fourth Proportional to 1,868.11, 2,802.56 and 569.54

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Solution

The fourth proportional to 1,868.11, 2,802.56 and 569.54 is: 854.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.11 : 2,802.56 = 569.54 : x
  2. Step 2: Convert to fraction form
    1,868.11/2,802.56 = 569.54/x
  3. Step 3: Cross multiply
    1,868.11x = 2,802.56 × 569.54
  4. Step 4: Simplify right side
    1,868.11x = 1,596,174.18
  5. Step 5: Solve for x
    x = 1,596,174.18/1,868.11
  6. Step 6: Final answer
    x = 854.43

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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.