Home / 3,345.48-5,018.28-1,266.46

Finding the Fourth Proportional to 3,345.48, 5,018.28 and 1,266.46

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Solution

The fourth proportional to 3,345.48, 5,018.28 and 1,266.46 is: 1,899.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.48 : 5,018.28 = 1,266.46 : x
  2. Step 2: Convert to fraction form
    3,345.48/5,018.28 = 1,266.46/x
  3. Step 3: Cross multiply
    3,345.48x = 5,018.28 × 1,266.46
  4. Step 4: Simplify right side
    3,345.48x = 6,355,450.89
  5. Step 5: Solve for x
    x = 6,355,450.89/3,345.48
  6. Step 6: Final answer
    x = 1,899.71

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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.