Home / 2,477.46-3,418.75-1,358.17

Finding the Fourth Proportional to 2,477.46, 3,418.75 and 1,358.17

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Solution

The fourth proportional to 2,477.46, 3,418.75 and 1,358.17 is: 1,874.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.46 : 3,418.75 = 1,358.17 : x
  2. Step 2: Convert to fraction form
    2,477.46/3,418.75 = 1,358.17/x
  3. Step 3: Cross multiply
    2,477.46x = 3,418.75 × 1,358.17
  4. Step 4: Simplify right side
    2,477.46x = 4,643,236.90
  5. Step 5: Solve for x
    x = 4,643,236.90/2,477.46
  6. Step 6: Final answer
    x = 1,874.20

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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.