Home / 2,625.11-3,622.18-1,577.19

Finding the Fourth Proportional to 2,625.11, 3,622.18 and 1,577.19

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Solution

The fourth proportional to 2,625.11, 3,622.18 and 1,577.19 is: 2,176.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.11 : 3,622.18 = 1,577.19 : x
  2. Step 2: Convert to fraction form
    2,625.11/3,622.18 = 1,577.19/x
  3. Step 3: Cross multiply
    2,625.11x = 3,622.18 × 1,577.19
  4. Step 4: Simplify right side
    2,625.11x = 5,712,866.07
  5. Step 5: Solve for x
    x = 5,712,866.07/2,625.11
  6. Step 6: Final answer
    x = 2,176.24

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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.