Home / 2,345.74-3,234.05-2,017.69

Finding the Fourth Proportional to 2,345.74, 3,234.05 and 2,017.69

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Solution

The fourth proportional to 2,345.74, 3,234.05 and 2,017.69 is: 2,781.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.74 : 3,234.05 = 2,017.69 : x
  2. Step 2: Convert to fraction form
    2,345.74/3,234.05 = 2,017.69/x
  3. Step 3: Cross multiply
    2,345.74x = 3,234.05 × 2,017.69
  4. Step 4: Simplify right side
    2,345.74x = 6,525,310.34
  5. Step 5: Solve for x
    x = 6,525,310.34/2,345.74
  6. Step 6: Final answer
    x = 2,781.77

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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.