Home / 3,670.65-5,501.12-1,718.76

Finding the Fourth Proportional to 3,670.65, 5,501.12 and 1,718.76

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Solution

The fourth proportional to 3,670.65, 5,501.12 and 1,718.76 is: 2,575.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.65 : 5,501.12 = 1,718.76 : x
  2. Step 2: Convert to fraction form
    3,670.65/5,501.12 = 1,718.76/x
  3. Step 3: Cross multiply
    3,670.65x = 5,501.12 × 1,718.76
  4. Step 4: Simplify right side
    3,670.65x = 9,455,105.01
  5. Step 5: Solve for x
    x = 9,455,105.01/3,670.65
  6. Step 6: Final answer
    x = 2,575.87

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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.