Home / 2,233.65-3,082.67-1,289.46

Finding the Fourth Proportional to 2,233.65, 3,082.67 and 1,289.46

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Solution

The fourth proportional to 2,233.65, 3,082.67 and 1,289.46 is: 1,779.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,233.65 : 3,082.67 = 1,289.46 : x
  2. Step 2: Convert to fraction form
    2,233.65/3,082.67 = 1,289.46/x
  3. Step 3: Cross multiply
    2,233.65x = 3,082.67 × 1,289.46
  4. Step 4: Simplify right side
    2,233.65x = 3,974,973.21
  5. Step 5: Solve for x
    x = 3,974,973.21/2,233.65
  6. Step 6: Final answer
    x = 1,779.59

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1.5x scale

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.