Home / 1,612.56-2,225.40-1,022.64

Finding the Fourth Proportional to 1,612.56, 2,225.40 and 1,022.64

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Solution

The fourth proportional to 1,612.56, 2,225.40 and 1,022.64 is: 1,411.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.56 : 2,225.40 = 1,022.64 : x
  2. Step 2: Convert to fraction form
    1,612.56/2,225.40 = 1,022.64/x
  3. Step 3: Cross multiply
    1,612.56x = 2,225.40 × 1,022.64
  4. Step 4: Simplify right side
    1,612.56x = 2,275,783.06
  5. Step 5: Solve for x
    x = 2,275,783.06/1,612.56
  6. Step 6: Final answer
    x = 1,411.29

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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.