Home / 2,447.36-3,671.04-1,720.19

Finding the Fourth Proportional to 2,447.36, 3,671.04 and 1,720.19

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Solution

The fourth proportional to 2,447.36, 3,671.04 and 1,720.19 is: 2,580.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.36 : 3,671.04 = 1,720.19 : x
  2. Step 2: Convert to fraction form
    2,447.36/3,671.04 = 1,720.19/x
  3. Step 3: Cross multiply
    2,447.36x = 3,671.04 × 1,720.19
  4. Step 4: Simplify right side
    2,447.36x = 6,314,867.94
  5. Step 5: Solve for x
    x = 6,314,867.94/2,447.36
  6. Step 6: Final answer
    x = 2,580.28

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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.