Home / 2,935.09-4,401.15-1,290.93

Finding the Fourth Proportional to 2,935.09, 4,401.15 and 1,290.93

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Solution

The fourth proportional to 2,935.09, 4,401.15 and 1,290.93 is: 1,935.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.09 : 4,401.15 = 1,290.93 : x
  2. Step 2: Convert to fraction form
    2,935.09/4,401.15 = 1,290.93/x
  3. Step 3: Cross multiply
    2,935.09x = 4,401.15 × 1,290.93
  4. Step 4: Simplify right side
    2,935.09x = 5,681,576.57
  5. Step 5: Solve for x
    x = 5,681,576.57/2,935.09
  6. Step 6: Final answer
    x = 1,935.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.