Home / 3,345.42-4,617.21-2,019.32

Finding the Fourth Proportional to 3,345.42, 4,617.21 and 2,019.32

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Solution

The fourth proportional to 3,345.42, 4,617.21 and 2,019.32 is: 2,786.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.42 : 4,617.21 = 2,019.32 : x
  2. Step 2: Convert to fraction form
    3,345.42/4,617.21 = 2,019.32/x
  3. Step 3: Cross multiply
    3,345.42x = 4,617.21 × 2,019.32
  4. Step 4: Simplify right side
    3,345.42x = 9,323,624.50
  5. Step 5: Solve for x
    x = 9,323,624.50/3,345.42
  6. Step 6: Final answer
    x = 2,786.98

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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.