Home / 2,214.57-3,056.08-1,219.83

Finding the Fourth Proportional to 2,214.57, 3,056.08 and 1,219.83

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Solution

The fourth proportional to 2,214.57, 3,056.08 and 1,219.83 is: 1,683.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.57 : 3,056.08 = 1,219.83 : x
  2. Step 2: Convert to fraction form
    2,214.57/3,056.08 = 1,219.83/x
  3. Step 3: Cross multiply
    2,214.57x = 3,056.08 × 1,219.83
  4. Step 4: Simplify right side
    2,214.57x = 3,727,885.84
  5. Step 5: Solve for x
    x = 3,727,885.84/2,214.57
  6. Step 6: Final answer
    x = 1,683.34

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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.