Home / 3,425.01-5,130.59-2,642.30

Finding the Fourth Proportional to 3,425.01, 5,130.59 and 2,642.30

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Solution

The fourth proportional to 3,425.01, 5,130.59 and 2,642.30 is: 3,958.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.01 : 5,130.59 = 2,642.30 : x
  2. Step 2: Convert to fraction form
    3,425.01/5,130.59 = 2,642.30/x
  3. Step 3: Cross multiply
    3,425.01x = 5,130.59 × 2,642.30
  4. Step 4: Simplify right side
    3,425.01x = 13,556,557.96
  5. Step 5: Solve for x
    x = 13,556,557.96/3,425.01
  6. Step 6: Final answer
    x = 3,958.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.