Home / 2,610.90-3,603.05-1,415.88

Finding the Fourth Proportional to 2,610.90, 3,603.05 and 1,415.88

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Solution

The fourth proportional to 2,610.90, 3,603.05 and 1,415.88 is: 1,953.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.90 : 3,603.05 = 1,415.88 : x
  2. Step 2: Convert to fraction form
    2,610.90/3,603.05 = 1,415.88/x
  3. Step 3: Cross multiply
    2,610.90x = 3,603.05 × 1,415.88
  4. Step 4: Simplify right side
    2,610.90x = 5,101,479.35
  5. Step 5: Solve for x
    x = 5,101,479.35/2,610.90
  6. Step 6: Final answer
    x = 1,953.92

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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.