Home / 3,087.15-4,630.74-895.89

Finding the Fourth Proportional to 3,087.15, 4,630.74 and 895.89

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Solution

The fourth proportional to 3,087.15, 4,630.74 and 895.89 is: 1,343.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.15 : 4,630.74 = 895.89 : x
  2. Step 2: Convert to fraction form
    3,087.15/4,630.74 = 895.89/x
  3. Step 3: Cross multiply
    3,087.15x = 4,630.74 × 895.89
  4. Step 4: Simplify right side
    3,087.15x = 4,148,633.66
  5. Step 5: Solve for x
    x = 4,148,633.66/3,087.15
  6. Step 6: Final answer
    x = 1,343.84

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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.