Home / 3,108.64-4,624.40-3,077.32

Finding the Fourth Proportional to 3,108.64, 4,624.40 and 3,077.32

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Solution

The fourth proportional to 3,108.64, 4,624.40 and 3,077.32 is: 4,577.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.64 : 4,624.40 = 3,077.32 : x
  2. Step 2: Convert to fraction form
    3,108.64/4,624.40 = 3,077.32/x
  3. Step 3: Cross multiply
    3,108.64x = 4,624.40 × 3,077.32
  4. Step 4: Simplify right side
    3,108.64x = 14,230,758.61
  5. Step 5: Solve for x
    x = 14,230,758.61/3,108.64
  6. Step 6: Final answer
    x = 4,577.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.