Home / 1,545.21-2,317.10-896.13

Finding the Fourth Proportional to 1,545.21, 2,317.10 and 896.13

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Solution

The fourth proportional to 1,545.21, 2,317.10 and 896.13 is: 1,343.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.21 : 2,317.10 = 896.13 : x
  2. Step 2: Convert to fraction form
    1,545.21/2,317.10 = 896.13/x
  3. Step 3: Cross multiply
    1,545.21x = 2,317.10 × 896.13
  4. Step 4: Simplify right side
    1,545.21x = 2,076,418.34
  5. Step 5: Solve for x
    x = 2,076,418.34/1,545.21
  6. Step 6: Final answer
    x = 1,343.78

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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.