Home / 2,113.54-3,154.26-2,064.40

Finding the Fourth Proportional to 2,113.54, 3,154.26 and 2,064.40

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Solution

The fourth proportional to 2,113.54, 3,154.26 and 2,064.40 is: 3,080.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.54 : 3,154.26 = 2,064.40 : x
  2. Step 2: Convert to fraction form
    2,113.54/3,154.26 = 2,064.40/x
  3. Step 3: Cross multiply
    2,113.54x = 3,154.26 × 2,064.40
  4. Step 4: Simplify right side
    2,113.54x = 6,511,654.34
  5. Step 5: Solve for x
    x = 6,511,654.34/2,113.54
  6. Step 6: Final answer
    x = 3,080.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.