Home / 3,324.95-4,987.34-2,885.50

Finding the Fourth Proportional to 3,324.95, 4,987.34 and 2,885.50

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Solution

The fourth proportional to 3,324.95, 4,987.34 and 2,885.50 is: 4,328.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.95 : 4,987.34 = 2,885.50 : x
  2. Step 2: Convert to fraction form
    3,324.95/4,987.34 = 2,885.50/x
  3. Step 3: Cross multiply
    3,324.95x = 4,987.34 × 2,885.50
  4. Step 4: Simplify right side
    3,324.95x = 14,390,969.57
  5. Step 5: Solve for x
    x = 14,390,969.57/3,324.95
  6. Step 6: Final answer
    x = 4,328.18

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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.