Home / 1,913-2,869.10-1,549.85

Finding the Fourth Proportional to 1,913, 2,869.10 and 1,549.85

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Solution

The fourth proportional to 1,913, 2,869.10 and 1,549.85 is: 2,324.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913 : 2,869.10 = 1,549.85 : x
  2. Step 2: Convert to fraction form
    1,913/2,869.10 = 1,549.85/x
  3. Step 3: Cross multiply
    1,913x = 2,869.10 × 1,549.85
  4. Step 4: Simplify right side
    1,913x = 4,446,666.89
  5. Step 5: Solve for x
    x = 4,446,666.89/1,913
  6. Step 6: Final answer
    x = 2,324.45

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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.