Home / 1,558.39-2,337.55-404.11

Finding the Fourth Proportional to 1,558.39, 2,337.55 and 404.11

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Solution

The fourth proportional to 1,558.39, 2,337.55 and 404.11 is: 606.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.39 : 2,337.55 = 404.11 : x
  2. Step 2: Convert to fraction form
    1,558.39/2,337.55 = 404.11/x
  3. Step 3: Cross multiply
    1,558.39x = 2,337.55 × 404.11
  4. Step 4: Simplify right side
    1,558.39x = 944,627.33
  5. Step 5: Solve for x
    x = 944,627.33/1,558.39
  6. Step 6: Final answer
    x = 606.16

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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.