Home / 3,558.74-5,339.43-1,478.93

Finding the Fourth Proportional to 3,558.74, 5,339.43 and 1,478.93

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Solution

The fourth proportional to 3,558.74, 5,339.43 and 1,478.93 is: 2,218.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.74 : 5,339.43 = 1,478.93 : x
  2. Step 2: Convert to fraction form
    3,558.74/5,339.43 = 1,478.93/x
  3. Step 3: Cross multiply
    3,558.74x = 5,339.43 × 1,478.93
  4. Step 4: Simplify right side
    3,558.74x = 7,896,616.51
  5. Step 5: Solve for x
    x = 7,896,616.51/3,558.74
  6. Step 6: Final answer
    x = 2,218.94

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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.