Home / 3,973.80-5,484.66-2,402.76

Finding the Fourth Proportional to 3,973.80, 5,484.66 and 2,402.76

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Solution

The fourth proportional to 3,973.80, 5,484.66 and 2,402.76 is: 3,316.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.80 : 5,484.66 = 2,402.76 : x
  2. Step 2: Convert to fraction form
    3,973.80/5,484.66 = 2,402.76/x
  3. Step 3: Cross multiply
    3,973.80x = 5,484.66 × 2,402.76
  4. Step 4: Simplify right side
    3,973.80x = 13,178,321.66
  5. Step 5: Solve for x
    x = 13,178,321.66/3,973.80
  6. Step 6: Final answer
    x = 3,316.30

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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.