Home / 1,868.19-2,802.25-569.66

Finding the Fourth Proportional to 1,868.19, 2,802.25 and 569.66

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Solution

The fourth proportional to 1,868.19, 2,802.25 and 569.66 is: 854.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.19 : 2,802.25 = 569.66 : x
  2. Step 2: Convert to fraction form
    1,868.19/2,802.25 = 569.66/x
  3. Step 3: Cross multiply
    1,868.19x = 2,802.25 × 569.66
  4. Step 4: Simplify right side
    1,868.19x = 1,596,316.44
  5. Step 5: Solve for x
    x = 1,596,316.44/1,868.19
  6. Step 6: Final answer
    x = 854.47

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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.