Home / 1,650.07-2,276.76-1,400.98

Finding the Fourth Proportional to 1,650.07, 2,276.76 and 1,400.98

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Solution

The fourth proportional to 1,650.07, 2,276.76 and 1,400.98 is: 1,933.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.07 : 2,276.76 = 1,400.98 : x
  2. Step 2: Convert to fraction form
    1,650.07/2,276.76 = 1,400.98/x
  3. Step 3: Cross multiply
    1,650.07x = 2,276.76 × 1,400.98
  4. Step 4: Simplify right side
    1,650.07x = 3,189,695.22
  5. Step 5: Solve for x
    x = 3,189,695.22/1,650.07
  6. Step 6: Final answer
    x = 1,933.07

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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.