Home / 1,312.96-1,969.42-1,232.77

Finding the Fourth Proportional to 1,312.96, 1,969.42 and 1,232.77

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Solution

The fourth proportional to 1,312.96, 1,969.42 and 1,232.77 is: 1,849.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312.96 : 1,969.42 = 1,232.77 : x
  2. Step 2: Convert to fraction form
    1,312.96/1,969.42 = 1,232.77/x
  3. Step 3: Cross multiply
    1,312.96x = 1,969.42 × 1,232.77
  4. Step 4: Simplify right side
    1,312.96x = 2,427,841.89
  5. Step 5: Solve for x
    x = 2,427,841.89/1,312.96
  6. Step 6: Final answer
    x = 1,849.14

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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.