Home / 3,513.14-5,271.24-1,665.56

Finding the Fourth Proportional to 3,513.14, 5,271.24 and 1,665.56

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Solution

The fourth proportional to 3,513.14, 5,271.24 and 1,665.56 is: 2,499.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.14 : 5,271.24 = 1,665.56 : x
  2. Step 2: Convert to fraction form
    3,513.14/5,271.24 = 1,665.56/x
  3. Step 3: Cross multiply
    3,513.14x = 5,271.24 × 1,665.56
  4. Step 4: Simplify right side
    3,513.14x = 8,779,566.49
  5. Step 5: Solve for x
    x = 8,779,566.49/3,513.14
  6. Step 6: Final answer
    x = 2,499.07

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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.