Home / 3,901.88-5,384.40-2,329.94

Finding the Fourth Proportional to 3,901.88, 5,384.40 and 2,329.94

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Solution

The fourth proportional to 3,901.88, 5,384.40 and 2,329.94 is: 3,215.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.88 : 5,384.40 = 2,329.94 : x
  2. Step 2: Convert to fraction form
    3,901.88/5,384.40 = 2,329.94/x
  3. Step 3: Cross multiply
    3,901.88x = 5,384.40 × 2,329.94
  4. Step 4: Simplify right side
    3,901.88x = 12,545,328.94
  5. Step 5: Solve for x
    x = 12,545,328.94/3,901.88
  6. Step 6: Final answer
    x = 3,215.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.