Home / 2,600.34-3,587.45-1,603.89

Finding the Fourth Proportional to 2,600.34, 3,587.45 and 1,603.89

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Solution

The fourth proportional to 2,600.34, 3,587.45 and 1,603.89 is: 2,212.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.34 : 3,587.45 = 1,603.89 : x
  2. Step 2: Convert to fraction form
    2,600.34/3,587.45 = 1,603.89/x
  3. Step 3: Cross multiply
    2,600.34x = 3,587.45 × 1,603.89
  4. Step 4: Simplify right side
    2,600.34x = 5,753,867.16
  5. Step 5: Solve for x
    x = 5,753,867.16/2,600.34
  6. Step 6: Final answer
    x = 2,212.74

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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.