Home / 3,381.19-4,666.14-1,889.23

Finding the Fourth Proportional to 3,381.19, 4,666.14 and 1,889.23

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Solution

The fourth proportional to 3,381.19, 4,666.14 and 1,889.23 is: 2,607.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.19 : 4,666.14 = 1,889.23 : x
  2. Step 2: Convert to fraction form
    3,381.19/4,666.14 = 1,889.23/x
  3. Step 3: Cross multiply
    3,381.19x = 4,666.14 × 1,889.23
  4. Step 4: Simplify right side
    3,381.19x = 8,815,411.67
  5. Step 5: Solve for x
    x = 8,815,411.67/3,381.19
  6. Step 6: Final answer
    x = 2,607.19

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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.