Home / 1,934.96-2,899.61-1,155.14

Finding the Fourth Proportional to 1,934.96, 2,899.61 and 1,155.14

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Solution

The fourth proportional to 1,934.96, 2,899.61 and 1,155.14 is: 1,731.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.96 : 2,899.61 = 1,155.14 : x
  2. Step 2: Convert to fraction form
    1,934.96/2,899.61 = 1,155.14/x
  3. Step 3: Cross multiply
    1,934.96x = 2,899.61 × 1,155.14
  4. Step 4: Simplify right side
    1,934.96x = 3,349,435.22
  5. Step 5: Solve for x
    x = 3,349,435.22/1,934.96
  6. Step 6: Final answer
    x = 1,731.01

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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.