Home / 2,312.73-3,465.90-1,531.47

Finding the Fourth Proportional to 2,312.73, 3,465.90 and 1,531.47

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Solution

The fourth proportional to 2,312.73, 3,465.90 and 1,531.47 is: 2,295.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312.73 : 3,465.90 = 1,531.47 : x
  2. Step 2: Convert to fraction form
    2,312.73/3,465.90 = 1,531.47/x
  3. Step 3: Cross multiply
    2,312.73x = 3,465.90 × 1,531.47
  4. Step 4: Simplify right side
    2,312.73x = 5,307,921.87
  5. Step 5: Solve for x
    x = 5,307,921.87/2,312.73
  6. Step 6: Final answer
    x = 2,295.09

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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.