Home / 2,162.66-2,983.49-1,376.42

Finding the Fourth Proportional to 2,162.66, 2,983.49 and 1,376.42

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Solution

The fourth proportional to 2,162.66, 2,983.49 and 1,376.42 is: 1,898.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.66 : 2,983.49 = 1,376.42 : x
  2. Step 2: Convert to fraction form
    2,162.66/2,983.49 = 1,376.42/x
  3. Step 3: Cross multiply
    2,162.66x = 2,983.49 × 1,376.42
  4. Step 4: Simplify right side
    2,162.66x = 4,106,535.31
  5. Step 5: Solve for x
    x = 4,106,535.31/2,162.66
  6. Step 6: Final answer
    x = 1,898.84

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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.