Home / 4,145.46-5,720.59-2,257.01

Finding the Fourth Proportional to 4,145.46, 5,720.59 and 2,257.01

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Solution

The fourth proportional to 4,145.46, 5,720.59 and 2,257.01 is: 3,114.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.46 : 5,720.59 = 2,257.01 : x
  2. Step 2: Convert to fraction form
    4,145.46/5,720.59 = 2,257.01/x
  3. Step 3: Cross multiply
    4,145.46x = 5,720.59 × 2,257.01
  4. Step 4: Simplify right side
    4,145.46x = 12,911,400.23
  5. Step 5: Solve for x
    x = 12,911,400.23/4,145.46
  6. Step 6: Final answer
    x = 3,114.59

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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.