Home / 2,601.60-3,919.90-2,355.08

Finding the Fourth Proportional to 2,601.60, 3,919.90 and 2,355.08

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Solution

The fourth proportional to 2,601.60, 3,919.90 and 2,355.08 is: 3,548.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601.60 : 3,919.90 = 2,355.08 : x
  2. Step 2: Convert to fraction form
    2,601.60/3,919.90 = 2,355.08/x
  3. Step 3: Cross multiply
    2,601.60x = 3,919.90 × 2,355.08
  4. Step 4: Simplify right side
    2,601.60x = 9,231,678.09
  5. Step 5: Solve for x
    x = 9,231,678.09/2,601.60
  6. Step 6: Final answer
    x = 3,548.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.