Home / 3,590.46-5,387.16-1,945.08

Finding the Fourth Proportional to 3,590.46, 5,387.16 and 1,945.08

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Solution

The fourth proportional to 3,590.46, 5,387.16 and 1,945.08 is: 2,918.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.46 : 5,387.16 = 1,945.08 : x
  2. Step 2: Convert to fraction form
    3,590.46/5,387.16 = 1,945.08/x
  3. Step 3: Cross multiply
    3,590.46x = 5,387.16 × 1,945.08
  4. Step 4: Simplify right side
    3,590.46x = 10,478,457.17
  5. Step 5: Solve for x
    x = 10,478,457.17/3,590.46
  6. Step 6: Final answer
    x = 2,918.42

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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.