Home / 3,502.96-5,278.14-2,900.18

Finding the Fourth Proportional to 3,502.96, 5,278.14 and 2,900.18

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Solution

The fourth proportional to 3,502.96, 5,278.14 and 2,900.18 is: 4,369.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,502.96 : 5,278.14 = 2,900.18 : x
  2. Step 2: Convert to fraction form
    3,502.96/5,278.14 = 2,900.18/x
  3. Step 3: Cross multiply
    3,502.96x = 5,278.14 × 2,900.18
  4. Step 4: Simplify right side
    3,502.96x = 15,307,556.07
  5. Step 5: Solve for x
    x = 15,307,556.07/3,502.96
  6. Step 6: Final answer
    x = 4,369.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.