Home / 3,408.18-4,703.32-1,916.06

Finding the Fourth Proportional to 3,408.18, 4,703.32 and 1,916.06

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Solution

The fourth proportional to 3,408.18, 4,703.32 and 1,916.06 is: 2,644.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.18 : 4,703.32 = 1,916.06 : x
  2. Step 2: Convert to fraction form
    3,408.18/4,703.32 = 1,916.06/x
  3. Step 3: Cross multiply
    3,408.18x = 4,703.32 × 1,916.06
  4. Step 4: Simplify right side
    3,408.18x = 9,011,843.32
  5. Step 5: Solve for x
    x = 9,011,843.32/3,408.18
  6. Step 6: Final answer
    x = 2,644.18

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1.5x scale

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.