Home / 3,590.51-5,385.94-1,125.35

Finding the Fourth Proportional to 3,590.51, 5,385.94 and 1,125.35

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Solution

The fourth proportional to 3,590.51, 5,385.94 and 1,125.35 is: 1,688.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.51 : 5,385.94 = 1,125.35 : x
  2. Step 2: Convert to fraction form
    3,590.51/5,385.94 = 1,125.35/x
  3. Step 3: Cross multiply
    3,590.51x = 5,385.94 × 1,125.35
  4. Step 4: Simplify right side
    3,590.51x = 6,061,092.55
  5. Step 5: Solve for x
    x = 6,061,092.55/3,590.51
  6. Step 6: Final answer
    x = 1,688.08

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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.