Home / 3,345.18-5,019.48-2,235.36

Finding the Fourth Proportional to 3,345.18, 5,019.48 and 2,235.36

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Solution

The fourth proportional to 3,345.18, 5,019.48 and 2,235.36 is: 3,354.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.18 : 5,019.48 = 2,235.36 : x
  2. Step 2: Convert to fraction form
    3,345.18/5,019.48 = 2,235.36/x
  3. Step 3: Cross multiply
    3,345.18x = 5,019.48 × 2,235.36
  4. Step 4: Simplify right side
    3,345.18x = 11,220,344.81
  5. Step 5: Solve for x
    x = 11,220,344.81/3,345.18
  6. Step 6: Final answer
    x = 3,354.18

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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.