Home / 2,985.24-4,478.17-1,424.98

Finding the Fourth Proportional to 2,985.24, 4,478.17 and 1,424.98

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Solution

The fourth proportional to 2,985.24, 4,478.17 and 1,424.98 is: 2,137.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.24 : 4,478.17 = 1,424.98 : x
  2. Step 2: Convert to fraction form
    2,985.24/4,478.17 = 1,424.98/x
  3. Step 3: Cross multiply
    2,985.24x = 4,478.17 × 1,424.98
  4. Step 4: Simplify right side
    2,985.24x = 6,381,302.69
  5. Step 5: Solve for x
    x = 6,381,302.69/2,985.24
  6. Step 6: Final answer
    x = 2,137.62

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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.