Home / 2,434.45-3,647.35-1,661.17

Finding the Fourth Proportional to 2,434.45, 3,647.35 and 1,661.17

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Solution

The fourth proportional to 2,434.45, 3,647.35 and 1,661.17 is: 2,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,434.45 : 3,647.35 = 1,661.17 : x
  2. Step 2: Convert to fraction form
    2,434.45/3,647.35 = 1,661.17/x
  3. Step 3: Cross multiply
    2,434.45x = 3,647.35 × 1,661.17
  4. Step 4: Simplify right side
    2,434.45x = 6,058,868.40
  5. Step 5: Solve for x
    x = 6,058,868.40/2,434.45
  6. Step 6: Final answer
    x = 2,488.80

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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.