Home / 3,721.18-5,581.77-2,900.07

Finding the Fourth Proportional to 3,721.18, 5,581.77 and 2,900.07

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Solution

The fourth proportional to 3,721.18, 5,581.77 and 2,900.07 is: 4,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.18 : 5,581.77 = 2,900.07 : x
  2. Step 2: Convert to fraction form
    3,721.18/5,581.77 = 2,900.07/x
  3. Step 3: Cross multiply
    3,721.18x = 5,581.77 × 2,900.07
  4. Step 4: Simplify right side
    3,721.18x = 16,187,495.27
  5. Step 5: Solve for x
    x = 16,187,495.27/3,721.18
  6. Step 6: Final answer
    x = 4,350.10

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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.