Home / 3,118.19-4,677.33-3,113.60

Finding the Fourth Proportional to 3,118.19, 4,677.33 and 3,113.60

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Solution

The fourth proportional to 3,118.19, 4,677.33 and 3,113.60 is: 4,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.19 : 4,677.33 = 3,113.60 : x
  2. Step 2: Convert to fraction form
    3,118.19/4,677.33 = 3,113.60/x
  3. Step 3: Cross multiply
    3,118.19x = 4,677.33 × 3,113.60
  4. Step 4: Simplify right side
    3,118.19x = 14,563,334.69
  5. Step 5: Solve for x
    x = 14,563,334.69/3,118.19
  6. Step 6: Final answer
    x = 4,670.44

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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.