Home / 3,608.08-4,973.70-2,820.76

Finding the Fourth Proportional to 3,608.08, 4,973.70 and 2,820.76

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Solution

The fourth proportional to 3,608.08, 4,973.70 and 2,820.76 is: 3,888.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.08 : 4,973.70 = 2,820.76 : x
  2. Step 2: Convert to fraction form
    3,608.08/4,973.70 = 2,820.76/x
  3. Step 3: Cross multiply
    3,608.08x = 4,973.70 × 2,820.76
  4. Step 4: Simplify right side
    3,608.08x = 14,029,612.16
  5. Step 5: Solve for x
    x = 14,029,612.16/3,608.08
  6. Step 6: Final answer
    x = 3,888.39

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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.