Home / 3,118.51-4,676.13-1,474.63

Finding the Fourth Proportional to 3,118.51, 4,676.13 and 1,474.63

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Solution

The fourth proportional to 3,118.51, 4,676.13 and 1,474.63 is: 2,211.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.51 : 4,676.13 = 1,474.63 : x
  2. Step 2: Convert to fraction form
    3,118.51/4,676.13 = 1,474.63/x
  3. Step 3: Cross multiply
    3,118.51x = 4,676.13 × 1,474.63
  4. Step 4: Simplify right side
    3,118.51x = 6,895,561.58
  5. Step 5: Solve for x
    x = 6,895,561.58/3,118.51
  6. Step 6: Final answer
    x = 2,211.17

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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.