Home / 3,345.55-5,016.88-1,785.21

Finding the Fourth Proportional to 3,345.55, 5,016.88 and 1,785.21

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Solution

The fourth proportional to 3,345.55, 5,016.88 and 1,785.21 is: 2,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.55 : 5,016.88 = 1,785.21 : x
  2. Step 2: Convert to fraction form
    3,345.55/5,016.88 = 1,785.21/x
  3. Step 3: Cross multiply
    3,345.55x = 5,016.88 × 1,785.21
  4. Step 4: Simplify right side
    3,345.55x = 8,956,205.07
  5. Step 5: Solve for x
    x = 8,956,205.07/3,345.55
  6. Step 6: Final answer
    x = 2,677.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.