Home / 2,417.09-3,625.63-1,118.39

Finding the Fourth Proportional to 2,417.09, 3,625.63 and 1,118.39

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Solution

The fourth proportional to 2,417.09, 3,625.63 and 1,118.39 is: 1,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.09 : 3,625.63 = 1,118.39 : x
  2. Step 2: Convert to fraction form
    2,417.09/3,625.63 = 1,118.39/x
  3. Step 3: Cross multiply
    2,417.09x = 3,625.63 × 1,118.39
  4. Step 4: Simplify right side
    2,417.09x = 4,054,847.41
  5. Step 5: Solve for x
    x = 4,054,847.41/2,417.09
  6. Step 6: Final answer
    x = 1,677.58

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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.