Home / 3,403.07-4,695.73-1,911.05

Finding the Fourth Proportional to 3,403.07, 4,695.73 and 1,911.05

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Solution

The fourth proportional to 3,403.07, 4,695.73 and 1,911.05 is: 2,636.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.07 : 4,695.73 = 1,911.05 : x
  2. Step 2: Convert to fraction form
    3,403.07/4,695.73 = 1,911.05/x
  3. Step 3: Cross multiply
    3,403.07x = 4,695.73 × 1,911.05
  4. Step 4: Simplify right side
    3,403.07x = 8,973,774.82
  5. Step 5: Solve for x
    x = 8,973,774.82/3,403.07
  6. Step 6: Final answer
    x = 2,636.96

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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.