Home / 2,943.17-4,416.78-1,903.67

Finding the Fourth Proportional to 2,943.17, 4,416.78 and 1,903.67

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Solution

The fourth proportional to 2,943.17, 4,416.78 and 1,903.67 is: 2,856.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.17 : 4,416.78 = 1,903.67 : x
  2. Step 2: Convert to fraction form
    2,943.17/4,416.78 = 1,903.67/x
  3. Step 3: Cross multiply
    2,943.17x = 4,416.78 × 1,903.67
  4. Step 4: Simplify right side
    2,943.17x = 8,408,069.50
  5. Step 5: Solve for x
    x = 8,408,069.50/2,943.17
  6. Step 6: Final answer
    x = 2,856.81

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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.