Home / 3,300.81-4,555.13-1,903.56

Finding the Fourth Proportional to 3,300.81, 4,555.13 and 1,903.56

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Solution

The fourth proportional to 3,300.81, 4,555.13 and 1,903.56 is: 2,626.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.81 : 4,555.13 = 1,903.56 : x
  2. Step 2: Convert to fraction form
    3,300.81/4,555.13 = 1,903.56/x
  3. Step 3: Cross multiply
    3,300.81x = 4,555.13 × 1,903.56
  4. Step 4: Simplify right side
    3,300.81x = 8,670,979.41
  5. Step 5: Solve for x
    x = 8,670,979.41/3,300.81
  6. Step 6: Final answer
    x = 2,626.92

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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.