Home / 2,909.13-4,014.95-1,730.85

Finding the Fourth Proportional to 2,909.13, 4,014.95 and 1,730.85

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Solution

The fourth proportional to 2,909.13, 4,014.95 and 1,730.85 is: 2,388.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.13 : 4,014.95 = 1,730.85 : x
  2. Step 2: Convert to fraction form
    2,909.13/4,014.95 = 1,730.85/x
  3. Step 3: Cross multiply
    2,909.13x = 4,014.95 × 1,730.85
  4. Step 4: Simplify right side
    2,909.13x = 6,949,267.55
  5. Step 5: Solve for x
    x = 6,949,267.55/2,909.13
  6. Step 6: Final answer
    x = 2,388.78

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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.