Home / 3,509.56-5,260.55-1,864.45

Finding the Fourth Proportional to 3,509.56, 5,260.55 and 1,864.45

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Solution

The fourth proportional to 3,509.56, 5,260.55 and 1,864.45 is: 2,794.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.56 : 5,260.55 = 1,864.45 : x
  2. Step 2: Convert to fraction form
    3,509.56/5,260.55 = 1,864.45/x
  3. Step 3: Cross multiply
    3,509.56x = 5,260.55 × 1,864.45
  4. Step 4: Simplify right side
    3,509.56x = 9,808,006.14
  5. Step 5: Solve for x
    x = 9,808,006.14/3,509.56
  6. Step 6: Final answer
    x = 2,794.66

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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.