Home / 1,560.21-2,152.76-896.96

Finding the Fourth Proportional to 1,560.21, 2,152.76 and 896.96

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Solution

The fourth proportional to 1,560.21, 2,152.76 and 896.96 is: 1,237.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.21 : 2,152.76 = 896.96 : x
  2. Step 2: Convert to fraction form
    1,560.21/2,152.76 = 896.96/x
  3. Step 3: Cross multiply
    1,560.21x = 2,152.76 × 896.96
  4. Step 4: Simplify right side
    1,560.21x = 1,930,924.36
  5. Step 5: Solve for x
    x = 1,930,924.36/1,560.21
  6. Step 6: Final answer
    x = 1,237.61

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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.