Home / 3,061.40-4,587.60-2,415.56

Finding the Fourth Proportional to 3,061.40, 4,587.60 and 2,415.56

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Solution

The fourth proportional to 3,061.40, 4,587.60 and 2,415.56 is: 3,619.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.40 : 4,587.60 = 2,415.56 : x
  2. Step 2: Convert to fraction form
    3,061.40/4,587.60 = 2,415.56/x
  3. Step 3: Cross multiply
    3,061.40x = 4,587.60 × 2,415.56
  4. Step 4: Simplify right side
    3,061.40x = 11,081,623.06
  5. Step 5: Solve for x
    x = 11,081,623.06/3,061.40
  6. Step 6: Final answer
    x = 3,619.79

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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.