Home / 2,641.36-3,642.60-1,708.24

Finding the Fourth Proportional to 2,641.36, 3,642.60 and 1,708.24

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Solution

The fourth proportional to 2,641.36, 3,642.60 and 1,708.24 is: 2,355.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641.36 : 3,642.60 = 1,708.24 : x
  2. Step 2: Convert to fraction form
    2,641.36/3,642.60 = 1,708.24/x
  3. Step 3: Cross multiply
    2,641.36x = 3,642.60 × 1,708.24
  4. Step 4: Simplify right side
    2,641.36x = 6,222,435.02
  5. Step 5: Solve for x
    x = 6,222,435.02/2,641.36
  6. Step 6: Final answer
    x = 2,355.77

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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.