Home / 1,606.50-2,217.06-943.20

Finding the Fourth Proportional to 1,606.50, 2,217.06 and 943.20

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Solution

The fourth proportional to 1,606.50, 2,217.06 and 943.20 is: 1,301.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.50 : 2,217.06 = 943.20 : x
  2. Step 2: Convert to fraction form
    1,606.50/2,217.06 = 943.20/x
  3. Step 3: Cross multiply
    1,606.50x = 2,217.06 × 943.20
  4. Step 4: Simplify right side
    1,606.50x = 2,091,130.99
  5. Step 5: Solve for x
    x = 2,091,130.99/1,606.50
  6. Step 6: Final answer
    x = 1,301.67

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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.