Home / 2,385.17-3,291.62-1,337.23

Finding the Fourth Proportional to 2,385.17, 3,291.62 and 1,337.23

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Solution

The fourth proportional to 2,385.17, 3,291.62 and 1,337.23 is: 1,845.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.17 : 3,291.62 = 1,337.23 : x
  2. Step 2: Convert to fraction form
    2,385.17/3,291.62 = 1,337.23/x
  3. Step 3: Cross multiply
    2,385.17x = 3,291.62 × 1,337.23
  4. Step 4: Simplify right side
    2,385.17x = 4,401,653.01
  5. Step 5: Solve for x
    x = 4,401,653.01/2,385.17
  6. Step 6: Final answer
    x = 1,845.43

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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.