Home / 3,373.20-4,645.44-2,897.64

Finding the Fourth Proportional to 3,373.20, 4,645.44 and 2,897.64

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Solution

The fourth proportional to 3,373.20, 4,645.44 and 2,897.64 is: 3,990.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373.20 : 4,645.44 = 2,897.64 : x
  2. Step 2: Convert to fraction form
    3,373.20/4,645.44 = 2,897.64/x
  3. Step 3: Cross multiply
    3,373.20x = 4,645.44 × 2,897.64
  4. Step 4: Simplify right side
    3,373.20x = 13,460,812.76
  5. Step 5: Solve for x
    x = 13,460,812.76/3,373.20
  6. Step 6: Final answer
    x = 3,990.52

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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.