Home / 4,145.42-5,720.65-2,257.00

Finding the Fourth Proportional to 4,145.42, 5,720.65 and 2,257.00

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Solution

The fourth proportional to 4,145.42, 5,720.65 and 2,257.00 is: 3,114.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.42 : 5,720.65 = 2,257.00 : x
  2. Step 2: Convert to fraction form
    4,145.42/5,720.65 = 2,257.00/x
  3. Step 3: Cross multiply
    4,145.42x = 5,720.65 × 2,257.00
  4. Step 4: Simplify right side
    4,145.42x = 12,911,512.83
  5. Step 5: Solve for x
    x = 12,911,512.83/4,145.42
  6. Step 6: Final answer
    x = 3,114.64

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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.