Home / 3,724.60-5,586.40-1,778.16

Finding the Fourth Proportional to 3,724.60, 5,586.40 and 1,778.16

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Solution

The fourth proportional to 3,724.60, 5,586.40 and 1,778.16 is: 2,667.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.60 : 5,586.40 = 1,778.16 : x
  2. Step 2: Convert to fraction form
    3,724.60/5,586.40 = 1,778.16/x
  3. Step 3: Cross multiply
    3,724.60x = 5,586.40 × 1,778.16
  4. Step 4: Simplify right side
    3,724.60x = 9,933,513.02
  5. Step 5: Solve for x
    x = 9,933,513.02/3,724.60
  6. Step 6: Final answer
    x = 2,667.00

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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.