Home / 3,557.45-5,338.51-1,609.67

Finding the Fourth Proportional to 3,557.45, 5,338.51 and 1,609.67

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Solution

The fourth proportional to 3,557.45, 5,338.51 and 1,609.67 is: 2,415.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.45 : 5,338.51 = 1,609.67 : x
  2. Step 2: Convert to fraction form
    3,557.45/5,338.51 = 1,609.67/x
  3. Step 3: Cross multiply
    3,557.45x = 5,338.51 × 1,609.67
  4. Step 4: Simplify right side
    3,557.45x = 8,593,248.71
  5. Step 5: Solve for x
    x = 8,593,248.71/3,557.45
  6. Step 6: Final answer
    x = 2,415.56

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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.