Home / 3,950.21-5,925.32-2,220.05

Finding the Fourth Proportional to 3,950.21, 5,925.32 and 2,220.05

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Solution

The fourth proportional to 3,950.21, 5,925.32 and 2,220.05 is: 3,330.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.21 : 5,925.32 = 2,220.05 : x
  2. Step 2: Convert to fraction form
    3,950.21/5,925.32 = 2,220.05/x
  3. Step 3: Cross multiply
    3,950.21x = 5,925.32 × 2,220.05
  4. Step 4: Simplify right side
    3,950.21x = 13,154,506.67
  5. Step 5: Solve for x
    x = 13,154,506.67/3,950.21
  6. Step 6: Final answer
    x = 3,330.08

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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.