Home / 4,145.80-5,722.18-2,575.08

Finding the Fourth Proportional to 4,145.80, 5,722.18 and 2,575.08

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Solution

The fourth proportional to 4,145.80, 5,722.18 and 2,575.08 is: 3,554.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.80 : 5,722.18 = 2,575.08 : x
  2. Step 2: Convert to fraction form
    4,145.80/5,722.18 = 2,575.08/x
  3. Step 3: Cross multiply
    4,145.80x = 5,722.18 × 2,575.08
  4. Step 4: Simplify right side
    4,145.80x = 14,735,071.27
  5. Step 5: Solve for x
    x = 14,735,071.27/4,145.80
  6. Step 6: Final answer
    x = 3,554.22

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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.