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Finding the Fourth Proportional to 1,649.08, 2,275.08 and 950.32

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Solution

The fourth proportional to 1,649.08, 2,275.08 and 950.32 is: 1,311.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649.08 : 2,275.08 = 950.32 : x
  2. Step 2: Convert to fraction form
    1,649.08/2,275.08 = 950.32/x
  3. Step 3: Cross multiply
    1,649.08x = 2,275.08 × 950.32
  4. Step 4: Simplify right side
    1,649.08x = 2,162,054.03
  5. Step 5: Solve for x
    x = 2,162,054.03/1,649.08
  6. Step 6: Final answer
    x = 1,311.07

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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.