Home / 2,477.10-3,418.34-1,358.09

Finding the Fourth Proportional to 2,477.10, 3,418.34 and 1,358.09

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Solution

The fourth proportional to 2,477.10, 3,418.34 and 1,358.09 is: 1,874.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.10 : 3,418.34 = 1,358.09 : x
  2. Step 2: Convert to fraction form
    2,477.10/3,418.34 = 1,358.09/x
  3. Step 3: Cross multiply
    2,477.10x = 3,418.34 × 1,358.09
  4. Step 4: Simplify right side
    2,477.10x = 4,642,389.49
  5. Step 5: Solve for x
    x = 4,642,389.49/2,477.10
  6. Step 6: Final answer
    x = 1,874.12

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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.