Home / 2,246.73-3,370.60-686.87

Finding the Fourth Proportional to 2,246.73, 3,370.60 and 686.87

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Solution

The fourth proportional to 2,246.73, 3,370.60 and 686.87 is: 1,030.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246.73 : 3,370.60 = 686.87 : x
  2. Step 2: Convert to fraction form
    2,246.73/3,370.60 = 686.87/x
  3. Step 3: Cross multiply
    2,246.73x = 3,370.60 × 686.87
  4. Step 4: Simplify right side
    2,246.73x = 2,315,164.02
  5. Step 5: Solve for x
    x = 2,315,164.02/2,246.73
  6. Step 6: Final answer
    x = 1,030.46

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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.