Home / 2,110.25-2,909.42-1,445.92

Finding the Fourth Proportional to 2,110.25, 2,909.42 and 1,445.92

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Solution

The fourth proportional to 2,110.25, 2,909.42 and 1,445.92 is: 1,993.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.25 : 2,909.42 = 1,445.92 : x
  2. Step 2: Convert to fraction form
    2,110.25/2,909.42 = 1,445.92/x
  3. Step 3: Cross multiply
    2,110.25x = 2,909.42 × 1,445.92
  4. Step 4: Simplify right side
    2,110.25x = 4,206,779.49
  5. Step 5: Solve for x
    x = 4,206,779.49/2,110.25
  6. Step 6: Final answer
    x = 1,993.50

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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.