Home / 3,509.33-5,264.19-1,318.01

Finding the Fourth Proportional to 3,509.33, 5,264.19 and 1,318.01

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Solution

The fourth proportional to 3,509.33, 5,264.19 and 1,318.01 is: 1,977.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.33 : 5,264.19 = 1,318.01 : x
  2. Step 2: Convert to fraction form
    3,509.33/5,264.19 = 1,318.01/x
  3. Step 3: Cross multiply
    3,509.33x = 5,264.19 × 1,318.01
  4. Step 4: Simplify right side
    3,509.33x = 6,938,228.74
  5. Step 5: Solve for x
    x = 6,938,228.74/3,509.33
  6. Step 6: Final answer
    x = 1,977.08

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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.