Home / 2,695.29-4,043.34-1,289.13

Finding the Fourth Proportional to 2,695.29, 4,043.34 and 1,289.13

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Solution

The fourth proportional to 2,695.29, 4,043.34 and 1,289.13 is: 1,933.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.29 : 4,043.34 = 1,289.13 : x
  2. Step 2: Convert to fraction form
    2,695.29/4,043.34 = 1,289.13/x
  3. Step 3: Cross multiply
    2,695.29x = 4,043.34 × 1,289.13
  4. Step 4: Simplify right side
    2,695.29x = 5,212,390.89
  5. Step 5: Solve for x
    x = 5,212,390.89/2,695.29
  6. Step 6: Final answer
    x = 1,933.89

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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.