Home / 2,454.08-3,386.58-1,406.12

Finding the Fourth Proportional to 2,454.08, 3,386.58 and 1,406.12

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Solution

The fourth proportional to 2,454.08, 3,386.58 and 1,406.12 is: 1,940.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.08 : 3,386.58 = 1,406.12 : x
  2. Step 2: Convert to fraction form
    2,454.08/3,386.58 = 1,406.12/x
  3. Step 3: Cross multiply
    2,454.08x = 3,386.58 × 1,406.12
  4. Step 4: Simplify right side
    2,454.08x = 4,761,937.87
  5. Step 5: Solve for x
    x = 4,761,937.87/2,454.08
  6. Step 6: Final answer
    x = 1,940.42

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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.