Home / 1,868.48-2,802.76-569.92

Finding the Fourth Proportional to 1,868.48, 2,802.76 and 569.92

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Solution

The fourth proportional to 1,868.48, 2,802.76 and 569.92 is: 854.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.48 : 2,802.76 = 569.92 : x
  2. Step 2: Convert to fraction form
    1,868.48/2,802.76 = 569.92/x
  3. Step 3: Cross multiply
    1,868.48x = 2,802.76 × 569.92
  4. Step 4: Simplify right side
    1,868.48x = 1,597,348.98
  5. Step 5: Solve for x
    x = 1,597,348.98/1,868.48
  6. Step 6: Final answer
    x = 854.89

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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.