Home / 2,288.70-3,156.57-1,503.54

Finding the Fourth Proportional to 2,288.70, 3,156.57 and 1,503.54

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Solution

The fourth proportional to 2,288.70, 3,156.57 and 1,503.54 is: 2,073.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.70 : 3,156.57 = 1,503.54 : x
  2. Step 2: Convert to fraction form
    2,288.70/3,156.57 = 1,503.54/x
  3. Step 3: Cross multiply
    2,288.70x = 3,156.57 × 1,503.54
  4. Step 4: Simplify right side
    2,288.70x = 4,746,029.26
  5. Step 5: Solve for x
    x = 4,746,029.26/2,288.70
  6. Step 6: Final answer
    x = 2,073.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.