Home / 3,280.95-4,528.13-1,954.67

Finding the Fourth Proportional to 3,280.95, 4,528.13 and 1,954.67

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Solution

The fourth proportional to 3,280.95, 4,528.13 and 1,954.67 is: 2,697.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.95 : 4,528.13 = 1,954.67 : x
  2. Step 2: Convert to fraction form
    3,280.95/4,528.13 = 1,954.67/x
  3. Step 3: Cross multiply
    3,280.95x = 4,528.13 × 1,954.67
  4. Step 4: Simplify right side
    3,280.95x = 8,850,967.45
  5. Step 5: Solve for x
    x = 8,850,967.45/3,280.95
  6. Step 6: Final answer
    x = 2,697.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.