Home / 4,005.20-5,526.60-2,608.40

Finding the Fourth Proportional to 4,005.20, 5,526.60 and 2,608.40

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Solution

The fourth proportional to 4,005.20, 5,526.60 and 2,608.40 is: 3,599.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.20 : 5,526.60 = 2,608.40 : x
  2. Step 2: Convert to fraction form
    4,005.20/5,526.60 = 2,608.40/x
  3. Step 3: Cross multiply
    4,005.20x = 5,526.60 × 2,608.40
  4. Step 4: Simplify right side
    4,005.20x = 14,415,583.44
  5. Step 5: Solve for x
    x = 14,415,583.44/4,005.20
  6. Step 6: Final answer
    x = 3,599.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.