Home / 2,477.31-3,418.64-1,358.26

Finding the Fourth Proportional to 2,477.31, 3,418.64 and 1,358.26

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Solution

The fourth proportional to 2,477.31, 3,418.64 and 1,358.26 is: 1,874.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.31 : 3,418.64 = 1,358.26 : x
  2. Step 2: Convert to fraction form
    2,477.31/3,418.64 = 1,358.26/x
  3. Step 3: Cross multiply
    2,477.31x = 3,418.64 × 1,358.26
  4. Step 4: Simplify right side
    2,477.31x = 4,643,396.82
  5. Step 5: Solve for x
    x = 4,643,396.82/2,477.31
  6. Step 6: Final answer
    x = 1,874.37

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1.5x scale

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.