Home / 3,681.90-5,519.58-1,341.36

Finding the Fourth Proportional to 3,681.90, 5,519.58 and 1,341.36

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Solution

The fourth proportional to 3,681.90, 5,519.58 and 1,341.36 is: 2,010.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.90 : 5,519.58 = 1,341.36 : x
  2. Step 2: Convert to fraction form
    3,681.90/5,519.58 = 1,341.36/x
  3. Step 3: Cross multiply
    3,681.90x = 5,519.58 × 1,341.36
  4. Step 4: Simplify right side
    3,681.90x = 7,403,743.83
  5. Step 5: Solve for x
    x = 7,403,743.83/3,681.90
  6. Step 6: Final answer
    x = 2,010.85

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1.5x scale

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.