Home / 4,090.12-5,641.50-2,519.08

Finding the Fourth Proportional to 4,090.12, 5,641.50 and 2,519.08

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Solution

The fourth proportional to 4,090.12, 5,641.50 and 2,519.08 is: 3,474.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.12 : 5,641.50 = 2,519.08 : x
  2. Step 2: Convert to fraction form
    4,090.12/5,641.50 = 2,519.08/x
  3. Step 3: Cross multiply
    4,090.12x = 5,641.50 × 2,519.08
  4. Step 4: Simplify right side
    4,090.12x = 14,211,389.82
  5. Step 5: Solve for x
    x = 14,211,389.82/4,090.12
  6. Step 6: Final answer
    x = 3,474.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.