Home / 3,718.25-5,579.54-1,666.25

Finding the Fourth Proportional to 3,718.25, 5,579.54 and 1,666.25

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Solution

The fourth proportional to 3,718.25, 5,579.54 and 1,666.25 is: 2,500.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.25 : 5,579.54 = 1,666.25 : x
  2. Step 2: Convert to fraction form
    3,718.25/5,579.54 = 1,666.25/x
  3. Step 3: Cross multiply
    3,718.25x = 5,579.54 × 1,666.25
  4. Step 4: Simplify right side
    3,718.25x = 9,296,908.53
  5. Step 5: Solve for x
    x = 9,296,908.53/3,718.25
  6. Step 6: Final answer
    x = 2,500.35

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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.