Home / 3,368.71-4,649.97-2,190.16

Finding the Fourth Proportional to 3,368.71, 4,649.97 and 2,190.16

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Solution

The fourth proportional to 3,368.71, 4,649.97 and 2,190.16 is: 3,023.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.71 : 4,649.97 = 2,190.16 : x
  2. Step 2: Convert to fraction form
    3,368.71/4,649.97 = 2,190.16/x
  3. Step 3: Cross multiply
    3,368.71x = 4,649.97 × 2,190.16
  4. Step 4: Simplify right side
    3,368.71x = 10,184,178.30
  5. Step 5: Solve for x
    x = 10,184,178.30/3,368.71
  6. Step 6: Final answer
    x = 3,023.17

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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.