Home / 3,339.36-5,029.02-2,911.68

Finding the Fourth Proportional to 3,339.36, 5,029.02 and 2,911.68

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Solution

The fourth proportional to 3,339.36, 5,029.02 and 2,911.68 is: 4,384.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.36 : 5,029.02 = 2,911.68 : x
  2. Step 2: Convert to fraction form
    3,339.36/5,029.02 = 2,911.68/x
  3. Step 3: Cross multiply
    3,339.36x = 5,029.02 × 2,911.68
  4. Step 4: Simplify right side
    3,339.36x = 14,642,896.95
  5. Step 5: Solve for x
    x = 14,642,896.95/3,339.36
  6. Step 6: Final answer
    x = 4,384.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.