Home / 2,599.88-3,587.91-1,421.03

Finding the Fourth Proportional to 2,599.88, 3,587.91 and 1,421.03

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Solution

The fourth proportional to 2,599.88, 3,587.91 and 1,421.03 is: 1,961.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.88 : 3,587.91 = 1,421.03 : x
  2. Step 2: Convert to fraction form
    2,599.88/3,587.91 = 1,421.03/x
  3. Step 3: Cross multiply
    2,599.88x = 3,587.91 × 1,421.03
  4. Step 4: Simplify right side
    2,599.88x = 5,098,509.81
  5. Step 5: Solve for x
    x = 5,098,509.81/2,599.88
  6. Step 6: Final answer
    x = 1,961.06

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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.