Home / 3,440.59-4,742.88-2,113.27

Finding the Fourth Proportional to 3,440.59, 4,742.88 and 2,113.27

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Solution

The fourth proportional to 3,440.59, 4,742.88 and 2,113.27 is: 2,913.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.59 : 4,742.88 = 2,113.27 : x
  2. Step 2: Convert to fraction form
    3,440.59/4,742.88 = 2,113.27/x
  3. Step 3: Cross multiply
    3,440.59x = 4,742.88 × 2,113.27
  4. Step 4: Simplify right side
    3,440.59x = 10,022,986.02
  5. Step 5: Solve for x
    x = 10,022,986.02/3,440.59
  6. Step 6: Final answer
    x = 2,913.16

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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.