Home / 3,201.16-4,417.63-1,785.01

Finding the Fourth Proportional to 3,201.16, 4,417.63 and 1,785.01

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Solution

The fourth proportional to 3,201.16, 4,417.63 and 1,785.01 is: 2,463.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.16 : 4,417.63 = 1,785.01 : x
  2. Step 2: Convert to fraction form
    3,201.16/4,417.63 = 1,785.01/x
  3. Step 3: Cross multiply
    3,201.16x = 4,417.63 × 1,785.01
  4. Step 4: Simplify right side
    3,201.16x = 7,885,513.73
  5. Step 5: Solve for x
    x = 7,885,513.73/3,201.16
  6. Step 6: Final answer
    x = 2,463.33

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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.