Home / 3,416.85-4,705.56-3,077.87

Finding the Fourth Proportional to 3,416.85, 4,705.56 and 3,077.87

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Solution

The fourth proportional to 3,416.85, 4,705.56 and 3,077.87 is: 4,238.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.85 : 4,705.56 = 3,077.87 : x
  2. Step 2: Convert to fraction form
    3,416.85/4,705.56 = 3,077.87/x
  3. Step 3: Cross multiply
    3,416.85x = 4,705.56 × 3,077.87
  4. Step 4: Simplify right side
    3,416.85x = 14,483,078.43
  5. Step 5: Solve for x
    x = 14,483,078.43/3,416.85
  6. Step 6: Final answer
    x = 4,238.72

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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.