Home / 3,160.24-4,740.16-968.80

Finding the Fourth Proportional to 3,160.24, 4,740.16 and 968.80

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Solution

The fourth proportional to 3,160.24, 4,740.16 and 968.80 is: 1,453.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.24 : 4,740.16 = 968.80 : x
  2. Step 2: Convert to fraction form
    3,160.24/4,740.16 = 968.80/x
  3. Step 3: Cross multiply
    3,160.24x = 4,740.16 × 968.80
  4. Step 4: Simplify right side
    3,160.24x = 4,592,267.01
  5. Step 5: Solve for x
    x = 4,592,267.01/3,160.24
  6. Step 6: Final answer
    x = 1,453.14

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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.