Home / 2,457.10-3,388.20-1,897.66

Finding the Fourth Proportional to 2,457.10, 3,388.20 and 1,897.66

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Solution

The fourth proportional to 2,457.10, 3,388.20 and 1,897.66 is: 2,616.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.10 : 3,388.20 = 1,897.66 : x
  2. Step 2: Convert to fraction form
    2,457.10/3,388.20 = 1,897.66/x
  3. Step 3: Cross multiply
    2,457.10x = 3,388.20 × 1,897.66
  4. Step 4: Simplify right side
    2,457.10x = 6,429,651.61
  5. Step 5: Solve for x
    x = 6,429,651.61/2,457.10
  6. Step 6: Final answer
    x = 2,616.76

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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.