Home / 3,345.54-5,018.35-1,590.73

Finding the Fourth Proportional to 3,345.54, 5,018.35 and 1,590.73

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Solution

The fourth proportional to 3,345.54, 5,018.35 and 1,590.73 is: 2,386.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.54 : 5,018.35 = 1,590.73 : x
  2. Step 2: Convert to fraction form
    3,345.54/5,018.35 = 1,590.73/x
  3. Step 3: Cross multiply
    3,345.54x = 5,018.35 × 1,590.73
  4. Step 4: Simplify right side
    3,345.54x = 7,982,839.90
  5. Step 5: Solve for x
    x = 7,982,839.90/3,345.54
  6. Step 6: Final answer
    x = 2,386.11

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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.