Home / 2,454.09-3,386.37-1,406.35

Finding the Fourth Proportional to 2,454.09, 3,386.37 and 1,406.35

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Solution

The fourth proportional to 2,454.09, 3,386.37 and 1,406.35 is: 1,940.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.09 : 3,386.37 = 1,406.35 : x
  2. Step 2: Convert to fraction form
    2,454.09/3,386.37 = 1,406.35/x
  3. Step 3: Cross multiply
    2,454.09x = 3,386.37 × 1,406.35
  4. Step 4: Simplify right side
    2,454.09x = 4,762,421.45
  5. Step 5: Solve for x
    x = 4,762,421.45/2,454.09
  6. Step 6: Final answer
    x = 1,940.61

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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.