Home / 4,385.72-6,580.63-2,631.34

Finding the Fourth Proportional to 4,385.72, 6,580.63 and 2,631.34

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Solution

The fourth proportional to 4,385.72, 6,580.63 and 2,631.34 is: 3,948.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.72 : 6,580.63 = 2,631.34 : x
  2. Step 2: Convert to fraction form
    4,385.72/6,580.63 = 2,631.34/x
  3. Step 3: Cross multiply
    4,385.72x = 6,580.63 × 2,631.34
  4. Step 4: Simplify right side
    4,385.72x = 17,315,874.94
  5. Step 5: Solve for x
    x = 17,315,874.94/4,385.72
  6. Step 6: Final answer
    x = 3,948.24

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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.