Home / 2,316.25-3,475.19-777.25

Finding the Fourth Proportional to 2,316.25, 3,475.19 and 777.25

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Solution

The fourth proportional to 2,316.25, 3,475.19 and 777.25 is: 1,166.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.25 : 3,475.19 = 777.25 : x
  2. Step 2: Convert to fraction form
    2,316.25/3,475.19 = 777.25/x
  3. Step 3: Cross multiply
    2,316.25x = 3,475.19 × 777.25
  4. Step 4: Simplify right side
    2,316.25x = 2,701,091.43
  5. Step 5: Solve for x
    x = 2,701,091.43/2,316.25
  6. Step 6: Final answer
    x = 1,166.15

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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.