Home / 3,118.83-4,674.14-1,267.77

Finding the Fourth Proportional to 3,118.83, 4,674.14 and 1,267.77

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Solution

The fourth proportional to 3,118.83, 4,674.14 and 1,267.77 is: 1,899.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.83 : 4,674.14 = 1,267.77 : x
  2. Step 2: Convert to fraction form
    3,118.83/4,674.14 = 1,267.77/x
  3. Step 3: Cross multiply
    3,118.83x = 4,674.14 × 1,267.77
  4. Step 4: Simplify right side
    3,118.83x = 5,925,734.47
  5. Step 5: Solve for x
    x = 5,925,734.47/3,118.83
  6. Step 6: Final answer
    x = 1,899.99

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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.