Home / 1,868.45-2,802.68-569.93

Finding the Fourth Proportional to 1,868.45, 2,802.68 and 569.93

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Solution

The fourth proportional to 1,868.45, 2,802.68 and 569.93 is: 854.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.45 : 2,802.68 = 569.93 : x
  2. Step 2: Convert to fraction form
    1,868.45/2,802.68 = 569.93/x
  3. Step 3: Cross multiply
    1,868.45x = 2,802.68 × 569.93
  4. Step 4: Simplify right side
    1,868.45x = 1,597,314.55
  5. Step 5: Solve for x
    x = 1,597,314.55/1,868.45
  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.