Home / 3,030.35-4,170.07-2,681.87

Finding the Fourth Proportional to 3,030.35, 4,170.07 and 2,681.87

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Solution

The fourth proportional to 3,030.35, 4,170.07 and 2,681.87 is: 3,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.35 : 4,170.07 = 2,681.87 : x
  2. Step 2: Convert to fraction form
    3,030.35/4,170.07 = 2,681.87/x
  3. Step 3: Cross multiply
    3,030.35x = 4,170.07 × 2,681.87
  4. Step 4: Simplify right side
    3,030.35x = 11,183,585.63
  5. Step 5: Solve for x
    x = 11,183,585.63/3,030.35
  6. Step 6: Final answer
    x = 3,690.53

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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.