Home / 3,590.24-5,385.36-1,368.55

Finding the Fourth Proportional to 3,590.24, 5,385.36 and 1,368.55

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Solution

The fourth proportional to 3,590.24, 5,385.36 and 1,368.55 is: 2,052.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.24 : 5,385.36 = 1,368.55 : x
  2. Step 2: Convert to fraction form
    3,590.24/5,385.36 = 1,368.55/x
  3. Step 3: Cross multiply
    3,590.24x = 5,385.36 × 1,368.55
  4. Step 4: Simplify right side
    3,590.24x = 7,370,127.59
  5. Step 5: Solve for x
    x = 7,370,127.59/3,590.24
  6. Step 6: Final answer
    x = 2,052.83

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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.