Home / 4,941.87-7,412.81-1,981.67

Finding the Fourth Proportional to 4,941.87, 7,412.81 and 1,981.67

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Solution

The fourth proportional to 4,941.87, 7,412.81 and 1,981.67 is: 2,972.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,941.87 : 7,412.81 = 1,981.67 : x
  2. Step 2: Convert to fraction form
    4,941.87/7,412.81 = 1,981.67/x
  3. Step 3: Cross multiply
    4,941.87x = 7,412.81 × 1,981.67
  4. Step 4: Simplify right side
    4,941.87x = 14,689,696.22
  5. Step 5: Solve for x
    x = 14,689,696.22/4,941.87
  6. Step 6: Final answer
    x = 2,972.50

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Similar ratio
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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.