Home / 1,177.04-1,767.86-867.68

Finding the Fourth Proportional to 1,177.04, 1,767.86 and 867.68

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Solution

The fourth proportional to 1,177.04, 1,767.86 and 867.68 is: 1,303.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.04 : 1,767.86 = 867.68 : x
  2. Step 2: Convert to fraction form
    1,177.04/1,767.86 = 867.68/x
  3. Step 3: Cross multiply
    1,177.04x = 1,767.86 × 867.68
  4. Step 4: Simplify right side
    1,177.04x = 1,533,936.76
  5. Step 5: Solve for x
    x = 1,533,936.76/1,177.04
  6. Step 6: Final answer
    x = 1,303.22

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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.