Home / 3,087.18-4,630.05-895.32

Finding the Fourth Proportional to 3,087.18, 4,630.05 and 895.32

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Solution

The fourth proportional to 3,087.18, 4,630.05 and 895.32 is: 1,342.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.18 : 4,630.05 = 895.32 : x
  2. Step 2: Convert to fraction form
    3,087.18/4,630.05 = 895.32/x
  3. Step 3: Cross multiply
    3,087.18x = 4,630.05 × 895.32
  4. Step 4: Simplify right side
    3,087.18x = 4,145,376.37
  5. Step 5: Solve for x
    x = 4,145,376.37/3,087.18
  6. Step 6: Final answer
    x = 1,342.77

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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.