Home / 3,020.61-4,530.86-1,480.53

Finding the Fourth Proportional to 3,020.61, 4,530.86 and 1,480.53

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Solution

The fourth proportional to 3,020.61, 4,530.86 and 1,480.53 is: 2,220.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.61 : 4,530.86 = 1,480.53 : x
  2. Step 2: Convert to fraction form
    3,020.61/4,530.86 = 1,480.53/x
  3. Step 3: Cross multiply
    3,020.61x = 4,530.86 × 1,480.53
  4. Step 4: Simplify right side
    3,020.61x = 6,708,066.75
  5. Step 5: Solve for x
    x = 6,708,066.75/3,020.61
  6. Step 6: Final answer
    x = 2,220.77

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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.