Home / 2,417.88-3,628.98-1,687.98

Finding the Fourth Proportional to 2,417.88, 3,628.98 and 1,687.98

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Solution

The fourth proportional to 2,417.88, 3,628.98 and 1,687.98 is: 2,533.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.88 : 3,628.98 = 1,687.98 : x
  2. Step 2: Convert to fraction form
    2,417.88/3,628.98 = 1,687.98/x
  3. Step 3: Cross multiply
    2,417.88x = 3,628.98 × 1,687.98
  4. Step 4: Simplify right side
    2,417.88x = 6,125,645.66
  5. Step 5: Solve for x
    x = 6,125,645.66/2,417.88
  6. Step 6: Final answer
    x = 2,533.48

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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.