Home / 2,391.23-3,587.06-930.49

Finding the Fourth Proportional to 2,391.23, 3,587.06 and 930.49

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Solution

The fourth proportional to 2,391.23, 3,587.06 and 930.49 is: 1,395.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.23 : 3,587.06 = 930.49 : x
  2. Step 2: Convert to fraction form
    2,391.23/3,587.06 = 930.49/x
  3. Step 3: Cross multiply
    2,391.23x = 3,587.06 × 930.49
  4. Step 4: Simplify right side
    2,391.23x = 3,337,714.49
  5. Step 5: Solve for x
    x = 3,337,714.49/2,391.23
  6. Step 6: Final answer
    x = 1,395.82

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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.