Home / 2,919.88-4,381.10-1,532.89

Finding the Fourth Proportional to 2,919.88, 4,381.10 and 1,532.89

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Solution

The fourth proportional to 2,919.88, 4,381.10 and 1,532.89 is: 2,300.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.88 : 4,381.10 = 1,532.89 : x
  2. Step 2: Convert to fraction form
    2,919.88/4,381.10 = 1,532.89/x
  3. Step 3: Cross multiply
    2,919.88x = 4,381.10 × 1,532.89
  4. Step 4: Simplify right side
    2,919.88x = 6,715,746.98
  5. Step 5: Solve for x
    x = 6,715,746.98/2,919.88
  6. Step 6: Final answer
    x = 2,300.01

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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.