Home / 3,201.60-4,417.84-1,785.08

Finding the Fourth Proportional to 3,201.60, 4,417.84 and 1,785.08

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Solution

The fourth proportional to 3,201.60, 4,417.84 and 1,785.08 is: 2,463.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.60 : 4,417.84 = 1,785.08 : x
  2. Step 2: Convert to fraction form
    3,201.60/4,417.84 = 1,785.08/x
  3. Step 3: Cross multiply
    3,201.60x = 4,417.84 × 1,785.08
  4. Step 4: Simplify right side
    3,201.60x = 7,886,197.83
  5. Step 5: Solve for x
    x = 7,886,197.83/3,201.60
  6. Step 6: Final answer
    x = 2,463.21

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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.