Home / 3,160.22-4,740.57-969.11

Finding the Fourth Proportional to 3,160.22, 4,740.57 and 969.11

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Solution

The fourth proportional to 3,160.22, 4,740.57 and 969.11 is: 1,453.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.22 : 4,740.57 = 969.11 : x
  2. Step 2: Convert to fraction form
    3,160.22/4,740.57 = 969.11/x
  3. Step 3: Cross multiply
    3,160.22x = 4,740.57 × 969.11
  4. Step 4: Simplify right side
    3,160.22x = 4,594,133.79
  5. Step 5: Solve for x
    x = 4,594,133.79/3,160.22
  6. Step 6: Final answer
    x = 1,453.74

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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.