Home / 2,649.23-3,652.65-1,763.09

Finding the Fourth Proportional to 2,649.23, 3,652.65 and 1,763.09

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Solution

The fourth proportional to 2,649.23, 3,652.65 and 1,763.09 is: 2,430.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.23 : 3,652.65 = 1,763.09 : x
  2. Step 2: Convert to fraction form
    2,649.23/3,652.65 = 1,763.09/x
  3. Step 3: Cross multiply
    2,649.23x = 3,652.65 × 1,763.09
  4. Step 4: Simplify right side
    2,649.23x = 6,439,950.69
  5. Step 5: Solve for x
    x = 6,439,950.69/2,649.23
  6. Step 6: Final answer
    x = 2,430.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.