Home / 1,642.77-2,265.39-1,052.28

Finding the Fourth Proportional to 1,642.77, 2,265.39 and 1,052.28

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Solution

The fourth proportional to 1,642.77, 2,265.39 and 1,052.28 is: 1,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642.77 : 2,265.39 = 1,052.28 : x
  2. Step 2: Convert to fraction form
    1,642.77/2,265.39 = 1,052.28/x
  3. Step 3: Cross multiply
    1,642.77x = 2,265.39 × 1,052.28
  4. Step 4: Simplify right side
    1,642.77x = 2,383,824.59
  5. Step 5: Solve for x
    x = 2,383,824.59/1,642.77
  6. Step 6: Final answer
    x = 1,451.10

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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.