Home / 3,509.34-5,262.62-1,316.87

Finding the Fourth Proportional to 3,509.34, 5,262.62 and 1,316.87

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Solution

The fourth proportional to 3,509.34, 5,262.62 and 1,316.87 is: 1,974.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.34 : 5,262.62 = 1,316.87 : x
  2. Step 2: Convert to fraction form
    3,509.34/5,262.62 = 1,316.87/x
  3. Step 3: Cross multiply
    3,509.34x = 5,262.62 × 1,316.87
  4. Step 4: Simplify right side
    3,509.34x = 6,930,153.50
  5. Step 5: Solve for x
    x = 6,930,153.50/3,509.34
  6. Step 6: Final answer
    x = 1,974.77

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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.