Home / 3,110.18-4,292.96-2,485.07

Finding the Fourth Proportional to 3,110.18, 4,292.96 and 2,485.07

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Solution

The fourth proportional to 3,110.18, 4,292.96 and 2,485.07 is: 3,430.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.18 : 4,292.96 = 2,485.07 : x
  2. Step 2: Convert to fraction form
    3,110.18/4,292.96 = 2,485.07/x
  3. Step 3: Cross multiply
    3,110.18x = 4,292.96 × 2,485.07
  4. Step 4: Simplify right side
    3,110.18x = 10,668,306.11
  5. Step 5: Solve for x
    x = 10,668,306.11/3,110.18
  6. Step 6: Final answer
    x = 3,430.12

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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.