Home / 1,617.51-2,231.47-1,018.94

Finding the Fourth Proportional to 1,617.51, 2,231.47 and 1,018.94

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Solution

The fourth proportional to 1,617.51, 2,231.47 and 1,018.94 is: 1,405.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.51 : 2,231.47 = 1,018.94 : x
  2. Step 2: Convert to fraction form
    1,617.51/2,231.47 = 1,018.94/x
  3. Step 3: Cross multiply
    1,617.51x = 2,231.47 × 1,018.94
  4. Step 4: Simplify right side
    1,617.51x = 2,273,734.04
  5. Step 5: Solve for x
    x = 2,273,734.04/1,617.51
  6. Step 6: Final answer
    x = 1,405.70

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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.