Home / 3,579.18-5,368.78-1,113.94

Finding the Fourth Proportional to 3,579.18, 5,368.78 and 1,113.94

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Solution

The fourth proportional to 3,579.18, 5,368.78 and 1,113.94 is: 1,670.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.18 : 5,368.78 = 1,113.94 : x
  2. Step 2: Convert to fraction form
    3,579.18/5,368.78 = 1,113.94/x
  3. Step 3: Cross multiply
    3,579.18x = 5,368.78 × 1,113.94
  4. Step 4: Simplify right side
    3,579.18x = 5,980,498.79
  5. Step 5: Solve for x
    x = 5,980,498.79/3,579.18
  6. Step 6: Final answer
    x = 1,670.91

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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.