Home / 2,195.42-3,030.50-1,356.26

Finding the Fourth Proportional to 2,195.42, 3,030.50 and 1,356.26

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Solution

The fourth proportional to 2,195.42, 3,030.50 and 1,356.26 is: 1,872.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.42 : 3,030.50 = 1,356.26 : x
  2. Step 2: Convert to fraction form
    2,195.42/3,030.50 = 1,356.26/x
  3. Step 3: Cross multiply
    2,195.42x = 3,030.50 × 1,356.26
  4. Step 4: Simplify right side
    2,195.42x = 4,110,145.93
  5. Step 5: Solve for x
    x = 4,110,145.93/2,195.42
  6. Step 6: Final answer
    x = 1,872.15

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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.