Home / 1,444.23-1,993.75-913.58

Finding the Fourth Proportional to 1,444.23, 1,993.75 and 913.58

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Solution

The fourth proportional to 1,444.23, 1,993.75 and 913.58 is: 1,261.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.23 : 1,993.75 = 913.58 : x
  2. Step 2: Convert to fraction form
    1,444.23/1,993.75 = 913.58/x
  3. Step 3: Cross multiply
    1,444.23x = 1,993.75 × 913.58
  4. Step 4: Simplify right side
    1,444.23x = 1,821,435.59
  5. Step 5: Solve for x
    x = 1,821,435.59/1,444.23
  6. Step 6: Final answer
    x = 1,261.19

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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.