Home / 3,125.34-4,689.54-1,370.11

Finding the Fourth Proportional to 3,125.34, 4,689.54 and 1,370.11

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Solution

The fourth proportional to 3,125.34, 4,689.54 and 1,370.11 is: 2,055.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.34 : 4,689.54 = 1,370.11 : x
  2. Step 2: Convert to fraction form
    3,125.34/4,689.54 = 1,370.11/x
  3. Step 3: Cross multiply
    3,125.34x = 4,689.54 × 1,370.11
  4. Step 4: Simplify right side
    3,125.34x = 6,425,185.65
  5. Step 5: Solve for x
    x = 6,425,185.65/3,125.34
  6. Step 6: Final answer
    x = 2,055.84

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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.