Home / 3,101.07-4,649.89-1,616.58

Finding the Fourth Proportional to 3,101.07, 4,649.89 and 1,616.58

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Solution

The fourth proportional to 3,101.07, 4,649.89 and 1,616.58 is: 2,423.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.07 : 4,649.89 = 1,616.58 : x
  2. Step 2: Convert to fraction form
    3,101.07/4,649.89 = 1,616.58/x
  3. Step 3: Cross multiply
    3,101.07x = 4,649.89 × 1,616.58
  4. Step 4: Simplify right side
    3,101.07x = 7,516,932.57
  5. Step 5: Solve for x
    x = 7,516,932.57/3,101.07
  6. Step 6: Final answer
    x = 2,423.98

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1.5x scale

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.