Home / 2,316.95-3,197.26-1,268.81

Finding the Fourth Proportional to 2,316.95, 3,197.26 and 1,268.81

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Solution

The fourth proportional to 2,316.95, 3,197.26 and 1,268.81 is: 1,750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.95 : 3,197.26 = 1,268.81 : x
  2. Step 2: Convert to fraction form
    2,316.95/3,197.26 = 1,268.81/x
  3. Step 3: Cross multiply
    2,316.95x = 3,197.26 × 1,268.81
  4. Step 4: Simplify right side
    2,316.95x = 4,056,715.46
  5. Step 5: Solve for x
    x = 4,056,715.46/2,316.95
  6. Step 6: Final answer
    x = 1,750.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.