Home / 3,345.62-5,018.40-1,370.84

Finding the Fourth Proportional to 3,345.62, 5,018.40 and 1,370.84

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Solution

The fourth proportional to 3,345.62, 5,018.40 and 1,370.84 is: 2,056.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.62 : 5,018.40 = 1,370.84 : x
  2. Step 2: Convert to fraction form
    3,345.62/5,018.40 = 1,370.84/x
  3. Step 3: Cross multiply
    3,345.62x = 5,018.40 × 1,370.84
  4. Step 4: Simplify right side
    3,345.62x = 6,879,423.46
  5. Step 5: Solve for x
    x = 6,879,423.46/3,345.62
  6. Step 6: Final answer
    x = 2,056.25

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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.