Home / 2,118.24-3,176.75-1,337.07

Finding the Fourth Proportional to 2,118.24, 3,176.75 and 1,337.07

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Solution

The fourth proportional to 2,118.24, 3,176.75 and 1,337.07 is: 2,005.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118.24 : 3,176.75 = 1,337.07 : x
  2. Step 2: Convert to fraction form
    2,118.24/3,176.75 = 1,337.07/x
  3. Step 3: Cross multiply
    2,118.24x = 3,176.75 × 1,337.07
  4. Step 4: Simplify right side
    2,118.24x = 4,247,529.18
  5. Step 5: Solve for x
    x = 4,247,529.18/2,118.24
  6. Step 6: Final answer
    x = 2,005.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.