Home / 3,539.36-5,307.84-1,590.50

Finding the Fourth Proportional to 3,539.36, 5,307.84 and 1,590.50

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Solution

The fourth proportional to 3,539.36, 5,307.84 and 1,590.50 is: 2,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.36 : 5,307.84 = 1,590.50 : x
  2. Step 2: Convert to fraction form
    3,539.36/5,307.84 = 1,590.50/x
  3. Step 3: Cross multiply
    3,539.36x = 5,307.84 × 1,590.50
  4. Step 4: Simplify right side
    3,539.36x = 8,442,119.52
  5. Step 5: Solve for x
    x = 8,442,119.52/3,539.36
  6. Step 6: Final answer
    x = 2,385.21

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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.