Home / 2,292.99-3,438.61-1,415.95

Finding the Fourth Proportional to 2,292.99, 3,438.61 and 1,415.95

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Solution

The fourth proportional to 2,292.99, 3,438.61 and 1,415.95 is: 2,123.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.99 : 3,438.61 = 1,415.95 : x
  2. Step 2: Convert to fraction form
    2,292.99/3,438.61 = 1,415.95/x
  3. Step 3: Cross multiply
    2,292.99x = 3,438.61 × 1,415.95
  4. Step 4: Simplify right side
    2,292.99x = 4,868,899.83
  5. Step 5: Solve for x
    x = 4,868,899.83/2,292.99
  6. Step 6: Final answer
    x = 2,123.38

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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.