Home / 1,177.27-1,776.53-1,168.16

Finding the Fourth Proportional to 1,177.27, 1,776.53 and 1,168.16

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Solution

The fourth proportional to 1,177.27, 1,776.53 and 1,168.16 is: 1,762.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.27 : 1,776.53 = 1,168.16 : x
  2. Step 2: Convert to fraction form
    1,177.27/1,776.53 = 1,168.16/x
  3. Step 3: Cross multiply
    1,177.27x = 1,776.53 × 1,168.16
  4. Step 4: Simplify right side
    1,177.27x = 2,075,265.32
  5. Step 5: Solve for x
    x = 2,075,265.32/1,177.27
  6. Step 6: Final answer
    x = 1,762.78

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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.