Home / 2,430.28-3,626.45-2,168.48

Finding the Fourth Proportional to 2,430.28, 3,626.45 and 2,168.48

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Solution

The fourth proportional to 2,430.28, 3,626.45 and 2,168.48 is: 3,235.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.28 : 3,626.45 = 2,168.48 : x
  2. Step 2: Convert to fraction form
    2,430.28/3,626.45 = 2,168.48/x
  3. Step 3: Cross multiply
    2,430.28x = 3,626.45 × 2,168.48
  4. Step 4: Simplify right side
    2,430.28x = 7,863,892.65
  5. Step 5: Solve for x
    x = 7,863,892.65/2,430.28
  6. Step 6: Final answer
    x = 3,235.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.