Home / 2,011.64-2,774.78-1,451.22

Finding the Fourth Proportional to 2,011.64, 2,774.78 and 1,451.22

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Solution

The fourth proportional to 2,011.64, 2,774.78 and 1,451.22 is: 2,001.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.64 : 2,774.78 = 1,451.22 : x
  2. Step 2: Convert to fraction form
    2,011.64/2,774.78 = 1,451.22/x
  3. Step 3: Cross multiply
    2,011.64x = 2,774.78 × 1,451.22
  4. Step 4: Simplify right side
    2,011.64x = 4,026,816.23
  5. Step 5: Solve for x
    x = 4,026,816.23/2,011.64
  6. Step 6: Final answer
    x = 2,001.76

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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.