Home / 3,298.09-4,551.35-1,785.65

Finding the Fourth Proportional to 3,298.09, 4,551.35 and 1,785.65

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Solution

The fourth proportional to 3,298.09, 4,551.35 and 1,785.65 is: 2,464.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.09 : 4,551.35 = 1,785.65 : x
  2. Step 2: Convert to fraction form
    3,298.09/4,551.35 = 1,785.65/x
  3. Step 3: Cross multiply
    3,298.09x = 4,551.35 × 1,785.65
  4. Step 4: Simplify right side
    3,298.09x = 8,127,118.13
  5. Step 5: Solve for x
    x = 8,127,118.13/3,298.09
  6. Step 6: Final answer
    x = 2,464.19

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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.