Home / 1,868.14-2,801.76-569.35

Finding the Fourth Proportional to 1,868.14, 2,801.76 and 569.35

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Solution

The fourth proportional to 1,868.14, 2,801.76 and 569.35 is: 853.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.14 : 2,801.76 = 569.35 : x
  2. Step 2: Convert to fraction form
    1,868.14/2,801.76 = 569.35/x
  3. Step 3: Cross multiply
    1,868.14x = 2,801.76 × 569.35
  4. Step 4: Simplify right side
    1,868.14x = 1,595,182.06
  5. Step 5: Solve for x
    x = 1,595,182.06/1,868.14
  6. Step 6: Final answer
    x = 853.89

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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.