Home / 2,622.11-3,618.05-1,574.19

Finding the Fourth Proportional to 2,622.11, 3,618.05 and 1,574.19

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Solution

The fourth proportional to 2,622.11, 3,618.05 and 1,574.19 is: 2,172.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.11 : 3,618.05 = 1,574.19 : x
  2. Step 2: Convert to fraction form
    2,622.11/3,618.05 = 1,574.19/x
  3. Step 3: Cross multiply
    2,622.11x = 3,618.05 × 1,574.19
  4. Step 4: Simplify right side
    2,622.11x = 5,695,490.26
  5. Step 5: Solve for x
    x = 5,695,490.26/2,622.11
  6. Step 6: Final answer
    x = 2,172.11

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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.