Home / 3,666.57-5,501.61-1,718.88

Finding the Fourth Proportional to 3,666.57, 5,501.61 and 1,718.88

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Solution

The fourth proportional to 3,666.57, 5,501.61 and 1,718.88 is: 2,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.57 : 5,501.61 = 1,718.88 : x
  2. Step 2: Convert to fraction form
    3,666.57/5,501.61 = 1,718.88/x
  3. Step 3: Cross multiply
    3,666.57x = 5,501.61 × 1,718.88
  4. Step 4: Simplify right side
    3,666.57x = 9,456,607.40
  5. Step 5: Solve for x
    x = 9,456,607.40/3,666.57
  6. Step 6: Final answer
    x = 2,579.14

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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.