Home / 3,220.01-4,829.35-1,140.08

Finding the Fourth Proportional to 3,220.01, 4,829.35 and 1,140.08

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Solution

The fourth proportional to 3,220.01, 4,829.35 and 1,140.08 is: 1,709.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.01 : 4,829.35 = 1,140.08 : x
  2. Step 2: Convert to fraction form
    3,220.01/4,829.35 = 1,140.08/x
  3. Step 3: Cross multiply
    3,220.01x = 4,829.35 × 1,140.08
  4. Step 4: Simplify right side
    3,220.01x = 5,505,818.35
  5. Step 5: Solve for x
    x = 5,505,818.35/3,220.01
  6. Step 6: Final answer
    x = 1,709.88

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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.