Home / 1,785.12-2,673.95-1,132.62

Finding the Fourth Proportional to 1,785.12, 2,673.95 and 1,132.62

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Solution

The fourth proportional to 1,785.12, 2,673.95 and 1,132.62 is: 1,696.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.12 : 2,673.95 = 1,132.62 : x
  2. Step 2: Convert to fraction form
    1,785.12/2,673.95 = 1,132.62/x
  3. Step 3: Cross multiply
    1,785.12x = 2,673.95 × 1,132.62
  4. Step 4: Simplify right side
    1,785.12x = 3,028,563.59
  5. Step 5: Solve for x
    x = 3,028,563.59/1,785.12
  6. Step 6: Final answer
    x = 1,696.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.