Home / 3,325.55-4,981.78-1,860.23

Finding the Fourth Proportional to 3,325.55, 4,981.78 and 1,860.23

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Solution

The fourth proportional to 3,325.55, 4,981.78 and 1,860.23 is: 2,786.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.55 : 4,981.78 = 1,860.23 : x
  2. Step 2: Convert to fraction form
    3,325.55/4,981.78 = 1,860.23/x
  3. Step 3: Cross multiply
    3,325.55x = 4,981.78 × 1,860.23
  4. Step 4: Simplify right side
    3,325.55x = 9,267,256.61
  5. Step 5: Solve for x
    x = 9,267,256.61/3,325.55
  6. Step 6: Final answer
    x = 2,786.68

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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.