Home / 1,612.64-2,224.68-1,088.84

Finding the Fourth Proportional to 1,612.64, 2,224.68 and 1,088.84

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Solution

The fourth proportional to 1,612.64, 2,224.68 and 1,088.84 is: 1,502.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.64 : 2,224.68 = 1,088.84 : x
  2. Step 2: Convert to fraction form
    1,612.64/2,224.68 = 1,088.84/x
  3. Step 3: Cross multiply
    1,612.64x = 2,224.68 × 1,088.84
  4. Step 4: Simplify right side
    1,612.64x = 2,422,320.57
  5. Step 5: Solve for x
    x = 2,422,320.57/1,612.64
  6. Step 6: Final answer
    x = 1,502.08

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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.