Home / 3,927.30-5,416.65-2,353.74

Finding the Fourth Proportional to 3,927.30, 5,416.65 and 2,353.74

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Solution

The fourth proportional to 3,927.30, 5,416.65 and 2,353.74 is: 3,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.30 : 5,416.65 = 2,353.74 : x
  2. Step 2: Convert to fraction form
    3,927.30/5,416.65 = 2,353.74/x
  3. Step 3: Cross multiply
    3,927.30x = 5,416.65 × 2,353.74
  4. Step 4: Simplify right side
    3,927.30x = 12,749,385.77
  5. Step 5: Solve for x
    x = 12,749,385.77/3,927.30
  6. Step 6: Final answer
    x = 3,246.35

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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.