Home / 3,321.04-4,981.88-1,240.55

Finding the Fourth Proportional to 3,321.04, 4,981.88 and 1,240.55

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Solution

The fourth proportional to 3,321.04, 4,981.88 and 1,240.55 is: 1,860.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.04 : 4,981.88 = 1,240.55 : x
  2. Step 2: Convert to fraction form
    3,321.04/4,981.88 = 1,240.55/x
  3. Step 3: Cross multiply
    3,321.04x = 4,981.88 × 1,240.55
  4. Step 4: Simplify right side
    3,321.04x = 6,180,271.23
  5. Step 5: Solve for x
    x = 6,180,271.23/3,321.04
  6. Step 6: Final answer
    x = 1,860.94

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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.