Home / 2,621.18-3,619.08-1,738.82

Finding the Fourth Proportional to 2,621.18, 3,619.08 and 1,738.82

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Solution

The fourth proportional to 2,621.18, 3,619.08 and 1,738.82 is: 2,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.18 : 3,619.08 = 1,738.82 : x
  2. Step 2: Convert to fraction form
    2,621.18/3,619.08 = 1,738.82/x
  3. Step 3: Cross multiply
    2,621.18x = 3,619.08 × 1,738.82
  4. Step 4: Simplify right side
    2,621.18x = 6,292,928.69
  5. Step 5: Solve for x
    x = 6,292,928.69/2,621.18
  6. Step 6: Final answer
    x = 2,400.80

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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.