Home / 2,454.24-3,386.88-1,406.32

Finding the Fourth Proportional to 2,454.24, 3,386.88 and 1,406.32

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Solution

The fourth proportional to 2,454.24, 3,386.88 and 1,406.32 is: 1,940.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.24 : 3,386.88 = 1,406.32 : x
  2. Step 2: Convert to fraction form
    2,454.24/3,386.88 = 1,406.32/x
  3. Step 3: Cross multiply
    2,454.24x = 3,386.88 × 1,406.32
  4. Step 4: Simplify right side
    2,454.24x = 4,763,037.08
  5. Step 5: Solve for x
    x = 4,763,037.08/2,454.24
  6. Step 6: Final answer
    x = 1,940.74

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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.