Home / 2,247.27-3,368.80-860.19

Finding the Fourth Proportional to 2,247.27, 3,368.80 and 860.19

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Solution

The fourth proportional to 2,247.27, 3,368.80 and 860.19 is: 1,289.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.27 : 3,368.80 = 860.19 : x
  2. Step 2: Convert to fraction form
    2,247.27/3,368.80 = 860.19/x
  3. Step 3: Cross multiply
    2,247.27x = 3,368.80 × 860.19
  4. Step 4: Simplify right side
    2,247.27x = 2,897,808.07
  5. Step 5: Solve for x
    x = 2,897,808.07/2,247.27
  6. Step 6: Final answer
    x = 1,289.48

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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.