Home / 2,876.98-4,312.39-1,488.93

Finding the Fourth Proportional to 2,876.98, 4,312.39 and 1,488.93

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Solution

The fourth proportional to 2,876.98, 4,312.39 and 1,488.93 is: 2,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.98 : 4,312.39 = 1,488.93 : x
  2. Step 2: Convert to fraction form
    2,876.98/4,312.39 = 1,488.93/x
  3. Step 3: Cross multiply
    2,876.98x = 4,312.39 × 1,488.93
  4. Step 4: Simplify right side
    2,876.98x = 6,420,846.84
  5. Step 5: Solve for x
    x = 6,420,846.84/2,876.98
  6. Step 6: Final answer
    x = 2,231.80

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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.