Home / 3,300.65-4,555.01-1,808.70

Finding the Fourth Proportional to 3,300.65, 4,555.01 and 1,808.70

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Solution

The fourth proportional to 3,300.65, 4,555.01 and 1,808.70 is: 2,496.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.65 : 4,555.01 = 1,808.70 : x
  2. Step 2: Convert to fraction form
    3,300.65/4,555.01 = 1,808.70/x
  3. Step 3: Cross multiply
    3,300.65x = 4,555.01 × 1,808.70
  4. Step 4: Simplify right side
    3,300.65x = 8,238,637.54
  5. Step 5: Solve for x
    x = 8,238,637.54/3,300.65
  6. Step 6: Final answer
    x = 2,496.07

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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.