Home / 2,868.77-4,292.28-1,699.40

Finding the Fourth Proportional to 2,868.77, 4,292.28 and 1,699.40

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Solution

The fourth proportional to 2,868.77, 4,292.28 and 1,699.40 is: 2,542.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.77 : 4,292.28 = 1,699.40 : x
  2. Step 2: Convert to fraction form
    2,868.77/4,292.28 = 1,699.40/x
  3. Step 3: Cross multiply
    2,868.77x = 4,292.28 × 1,699.40
  4. Step 4: Simplify right side
    2,868.77x = 7,294,279.17
  5. Step 5: Solve for x
    x = 7,294,279.17/2,868.77
  6. Step 6: Final answer
    x = 2,542.65

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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.