Home / 3,719.13-5,580.85-1,667.13

Finding the Fourth Proportional to 3,719.13, 5,580.85 and 1,667.13

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Solution

The fourth proportional to 3,719.13, 5,580.85 and 1,667.13 is: 2,501.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.13 : 5,580.85 = 1,667.13 : x
  2. Step 2: Convert to fraction form
    3,719.13/5,580.85 = 1,667.13/x
  3. Step 3: Cross multiply
    3,719.13x = 5,580.85 × 1,667.13
  4. Step 4: Simplify right side
    3,719.13x = 9,303,974.56
  5. Step 5: Solve for x
    x = 9,303,974.56/3,719.13
  6. Step 6: Final answer
    x = 2,501.66

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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.