Home / 1,649.19-2,274.96-1,150.95

Finding the Fourth Proportional to 1,649.19, 2,274.96 and 1,150.95

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Solution

The fourth proportional to 1,649.19, 2,274.96 and 1,150.95 is: 1,587.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649.19 : 2,274.96 = 1,150.95 : x
  2. Step 2: Convert to fraction form
    1,649.19/2,274.96 = 1,150.95/x
  3. Step 3: Cross multiply
    1,649.19x = 2,274.96 × 1,150.95
  4. Step 4: Simplify right side
    1,649.19x = 2,618,365.21
  5. Step 5: Solve for x
    x = 2,618,365.21/1,649.19
  6. Step 6: Final answer
    x = 1,587.67

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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.