Home / 2,499.65-3,749.70-650.77

Finding the Fourth Proportional to 2,499.65, 3,749.70 and 650.77

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Solution

The fourth proportional to 2,499.65, 3,749.70 and 650.77 is: 976.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,499.65 : 3,749.70 = 650.77 : x
  2. Step 2: Convert to fraction form
    2,499.65/3,749.70 = 650.77/x
  3. Step 3: Cross multiply
    2,499.65x = 3,749.70 × 650.77
  4. Step 4: Simplify right side
    2,499.65x = 2,440,192.22
  5. Step 5: Solve for x
    x = 2,440,192.22/2,499.65
  6. Step 6: Final answer
    x = 976.21

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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.