Home / 4,215.88-5,818.50-2,353

Finding the Fourth Proportional to 4,215.88, 5,818.50 and 2,353

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Solution

The fourth proportional to 4,215.88, 5,818.50 and 2,353 is: 3,247.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.88 : 5,818.50 = 2,353 : x
  2. Step 2: Convert to fraction form
    4,215.88/5,818.50 = 2,353/x
  3. Step 3: Cross multiply
    4,215.88x = 5,818.50 × 2,353
  4. Step 4: Simplify right side
    4,215.88x = 13,690,930.50
  5. Step 5: Solve for x
    x = 13,690,930.50/4,215.88
  6. Step 6: Final answer
    x = 3,247.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.