Home / 2,909.30-4,014.87-1,650.32

Finding the Fourth Proportional to 2,909.30, 4,014.87 and 1,650.32

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Solution

The fourth proportional to 2,909.30, 4,014.87 and 1,650.32 is: 2,277.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.30 : 4,014.87 = 1,650.32 : x
  2. Step 2: Convert to fraction form
    2,909.30/4,014.87 = 1,650.32/x
  3. Step 3: Cross multiply
    2,909.30x = 4,014.87 × 1,650.32
  4. Step 4: Simplify right side
    2,909.30x = 6,625,809.05
  5. Step 5: Solve for x
    x = 6,625,809.05/2,909.30
  6. Step 6: Final answer
    x = 2,277.46

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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.