Home / 3,983-5,496.50-2,214.76

Finding the Fourth Proportional to 3,983, 5,496.50 and 2,214.76

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Solution

The fourth proportional to 3,983, 5,496.50 and 2,214.76 is: 3,056.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983 : 5,496.50 = 2,214.76 : x
  2. Step 2: Convert to fraction form
    3,983/5,496.50 = 2,214.76/x
  3. Step 3: Cross multiply
    3,983x = 5,496.50 × 2,214.76
  4. Step 4: Simplify right side
    3,983x = 12,173,428.34
  5. Step 5: Solve for x
    x = 12,173,428.34/3,983
  6. Step 6: Final answer
    x = 3,056.35

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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.