Home / 2,417.21-3,625.82-1,118.51

Finding the Fourth Proportional to 2,417.21, 3,625.82 and 1,118.51

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Solution

The fourth proportional to 2,417.21, 3,625.82 and 1,118.51 is: 1,677.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.21 : 3,625.82 = 1,118.51 : x
  2. Step 2: Convert to fraction form
    2,417.21/3,625.82 = 1,118.51/x
  3. Step 3: Cross multiply
    2,417.21x = 3,625.82 × 1,118.51
  4. Step 4: Simplify right side
    2,417.21x = 4,055,510.34
  5. Step 5: Solve for x
    x = 4,055,510.34/2,417.21
  6. Step 6: Final answer
    x = 1,677.77

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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.