Home / 1,650.21-2,277.32-904.16

Finding the Fourth Proportional to 1,650.21, 2,277.32 and 904.16

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Solution

The fourth proportional to 1,650.21, 2,277.32 and 904.16 is: 1,247.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.21 : 2,277.32 = 904.16 : x
  2. Step 2: Convert to fraction form
    1,650.21/2,277.32 = 904.16/x
  3. Step 3: Cross multiply
    1,650.21x = 2,277.32 × 904.16
  4. Step 4: Simplify right side
    1,650.21x = 2,059,062.82
  5. Step 5: Solve for x
    x = 2,059,062.82/1,650.21
  6. Step 6: Final answer
    x = 1,247.76

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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.