Home / 3,579.02-5,366.40-1,385.93

Finding the Fourth Proportional to 3,579.02, 5,366.40 and 1,385.93

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Solution

The fourth proportional to 3,579.02, 5,366.40 and 1,385.93 is: 2,078.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.02 : 5,366.40 = 1,385.93 : x
  2. Step 2: Convert to fraction form
    3,579.02/5,366.40 = 1,385.93/x
  3. Step 3: Cross multiply
    3,579.02x = 5,366.40 × 1,385.93
  4. Step 4: Simplify right side
    3,579.02x = 7,437,454.75
  5. Step 5: Solve for x
    x = 7,437,454.75/3,579.02
  6. Step 6: Final answer
    x = 2,078.07

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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.