Home / 2,646.37-3,643.67-2,247.19

Finding the Fourth Proportional to 2,646.37, 3,643.67 and 2,247.19

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Solution

The fourth proportional to 2,646.37, 3,643.67 and 2,247.19 is: 3,094.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646.37 : 3,643.67 = 2,247.19 : x
  2. Step 2: Convert to fraction form
    2,646.37/3,643.67 = 2,247.19/x
  3. Step 3: Cross multiply
    2,646.37x = 3,643.67 × 2,247.19
  4. Step 4: Simplify right side
    2,646.37x = 8,188,018.79
  5. Step 5: Solve for x
    x = 8,188,018.79/2,646.37
  6. Step 6: Final answer
    x = 3,094.06

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Half scale
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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.