Home / 2,881.35-4,320.63-1,648.44

Finding the Fourth Proportional to 2,881.35, 4,320.63 and 1,648.44

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Solution

The fourth proportional to 2,881.35, 4,320.63 and 1,648.44 is: 2,471.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.35 : 4,320.63 = 1,648.44 : x
  2. Step 2: Convert to fraction form
    2,881.35/4,320.63 = 1,648.44/x
  3. Step 3: Cross multiply
    2,881.35x = 4,320.63 × 1,648.44
  4. Step 4: Simplify right side
    2,881.35x = 7,122,299.32
  5. Step 5: Solve for x
    x = 7,122,299.32/2,881.35
  6. Step 6: Final answer
    x = 2,471.86

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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.