Home / 1,626.60-2,214.48-1,612.20

Finding the Fourth Proportional to 1,626.60, 2,214.48 and 1,612.20

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Solution

The fourth proportional to 1,626.60, 2,214.48 and 1,612.20 is: 2,194.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.60 : 2,214.48 = 1,612.20 : x
  2. Step 2: Convert to fraction form
    1,626.60/2,214.48 = 1,612.20/x
  3. Step 3: Cross multiply
    1,626.60x = 2,214.48 × 1,612.20
  4. Step 4: Simplify right side
    1,626.60x = 3,570,184.66
  5. Step 5: Solve for x
    x = 3,570,184.66/1,626.60
  6. Step 6: Final answer
    x = 2,194.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.