Home / 3,360.98-4,638.72-2,165.62

Finding the Fourth Proportional to 3,360.98, 4,638.72 and 2,165.62

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Solution

The fourth proportional to 3,360.98, 4,638.72 and 2,165.62 is: 2,988.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.98 : 4,638.72 = 2,165.62 : x
  2. Step 2: Convert to fraction form
    3,360.98/4,638.72 = 2,165.62/x
  3. Step 3: Cross multiply
    3,360.98x = 4,638.72 × 2,165.62
  4. Step 4: Simplify right side
    3,360.98x = 10,045,704.81
  5. Step 5: Solve for x
    x = 10,045,704.81/3,360.98
  6. Step 6: Final answer
    x = 2,988.92

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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.