Home / 3,220.10-4,830.72-1,141.30

Finding the Fourth Proportional to 3,220.10, 4,830.72 and 1,141.30

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Solution

The fourth proportional to 3,220.10, 4,830.72 and 1,141.30 is: 1,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.10 : 4,830.72 = 1,141.30 : x
  2. Step 2: Convert to fraction form
    3,220.10/4,830.72 = 1,141.30/x
  3. Step 3: Cross multiply
    3,220.10x = 4,830.72 × 1,141.30
  4. Step 4: Simplify right side
    3,220.10x = 5,513,300.74
  5. Step 5: Solve for x
    x = 5,513,300.74/3,220.10
  6. Step 6: Final answer
    x = 1,712.15

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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.