Home / 3,116.07-4,669.65-2,287.85

Finding the Fourth Proportional to 3,116.07, 4,669.65 and 2,287.85

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Solution

The fourth proportional to 3,116.07, 4,669.65 and 2,287.85 is: 3,428.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.07 : 4,669.65 = 2,287.85 : x
  2. Step 2: Convert to fraction form
    3,116.07/4,669.65 = 2,287.85/x
  3. Step 3: Cross multiply
    3,116.07x = 4,669.65 × 2,287.85
  4. Step 4: Simplify right side
    3,116.07x = 10,683,435.40
  5. Step 5: Solve for x
    x = 10,683,435.40/3,116.07
  6. Step 6: Final answer
    x = 3,428.50

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1.5x scale

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.