Home / 2,385.23-3,291.62-1,337.30

Finding the Fourth Proportional to 2,385.23, 3,291.62 and 1,337.30

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Solution

The fourth proportional to 2,385.23, 3,291.62 and 1,337.30 is: 1,845.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.23 : 3,291.62 = 1,337.30 : x
  2. Step 2: Convert to fraction form
    2,385.23/3,291.62 = 1,337.30/x
  3. Step 3: Cross multiply
    2,385.23x = 3,291.62 × 1,337.30
  4. Step 4: Simplify right side
    2,385.23x = 4,401,881.16
  5. Step 5: Solve for x
    x = 4,401,881.16/2,385.23
  6. Step 6: Final answer
    x = 1,845.47

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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.