Home / 1,945.18-2,917.23-558.14

Finding the Fourth Proportional to 1,945.18, 2,917.23 and 558.14

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Solution

The fourth proportional to 1,945.18, 2,917.23 and 558.14 is: 837.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.18 : 2,917.23 = 558.14 : x
  2. Step 2: Convert to fraction form
    1,945.18/2,917.23 = 558.14/x
  3. Step 3: Cross multiply
    1,945.18x = 2,917.23 × 558.14
  4. Step 4: Simplify right side
    1,945.18x = 1,628,226.80
  5. Step 5: Solve for x
    x = 1,628,226.80/1,945.18
  6. Step 6: Final answer
    x = 837.06

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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.