Home / 3,557.96-5,338.08-1,709.21

Finding the Fourth Proportional to 3,557.96, 5,338.08 and 1,709.21

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Solution

The fourth proportional to 3,557.96, 5,338.08 and 1,709.21 is: 2,564.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.96 : 5,338.08 = 1,709.21 : x
  2. Step 2: Convert to fraction form
    3,557.96/5,338.08 = 1,709.21/x
  3. Step 3: Cross multiply
    3,557.96x = 5,338.08 × 1,709.21
  4. Step 4: Simplify right side
    3,557.96x = 9,123,875.53
  5. Step 5: Solve for x
    x = 9,123,875.53/3,557.96
  6. Step 6: Final answer
    x = 2,564.36

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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.