Home / 3,581.10-4,950.18-2,988.18

Finding the Fourth Proportional to 3,581.10, 4,950.18 and 2,988.18

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Solution

The fourth proportional to 3,581.10, 4,950.18 and 2,988.18 is: 4,130.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.10 : 4,950.18 = 2,988.18 : x
  2. Step 2: Convert to fraction form
    3,581.10/4,950.18 = 2,988.18/x
  3. Step 3: Cross multiply
    3,581.10x = 4,950.18 × 2,988.18
  4. Step 4: Simplify right side
    3,581.10x = 14,792,028.87
  5. Step 5: Solve for x
    x = 14,792,028.87/3,581.10
  6. Step 6: Final answer
    x = 4,130.58

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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.