Home / 1,306.77-1,969.33-1,176.93

Finding the Fourth Proportional to 1,306.77, 1,969.33 and 1,176.93

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Solution

The fourth proportional to 1,306.77, 1,969.33 and 1,176.93 is: 1,773.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306.77 : 1,969.33 = 1,176.93 : x
  2. Step 2: Convert to fraction form
    1,306.77/1,969.33 = 1,176.93/x
  3. Step 3: Cross multiply
    1,306.77x = 1,969.33 × 1,176.93
  4. Step 4: Simplify right side
    1,306.77x = 2,317,762.82
  5. Step 5: Solve for x
    x = 2,317,762.82/1,306.77
  6. Step 6: Final answer
    x = 1,773.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.