Home / 3,118.07-4,677.04-1,803.80

Finding the Fourth Proportional to 3,118.07, 4,677.04 and 1,803.80

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Solution

The fourth proportional to 3,118.07, 4,677.04 and 1,803.80 is: 2,705.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.07 : 4,677.04 = 1,803.80 : x
  2. Step 2: Convert to fraction form
    3,118.07/4,677.04 = 1,803.80/x
  3. Step 3: Cross multiply
    3,118.07x = 4,677.04 × 1,803.80
  4. Step 4: Simplify right side
    3,118.07x = 8,436,444.75
  5. Step 5: Solve for x
    x = 8,436,444.75/3,118.07
  6. Step 6: Final answer
    x = 2,705.66

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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.