Home / 3,152.16-4,706.76-2,820.96

Finding the Fourth Proportional to 3,152.16, 4,706.76 and 2,820.96

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Solution

The fourth proportional to 3,152.16, 4,706.76 and 2,820.96 is: 4,212.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.16 : 4,706.76 = 2,820.96 : x
  2. Step 2: Convert to fraction form
    3,152.16/4,706.76 = 2,820.96/x
  3. Step 3: Cross multiply
    3,152.16x = 4,706.76 × 2,820.96
  4. Step 4: Simplify right side
    3,152.16x = 13,277,581.69
  5. Step 5: Solve for x
    x = 13,277,581.69/3,152.16
  6. Step 6: Final answer
    x = 4,212.22

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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.