Home / 1,589.96-2,192.94-1,393.13

Finding the Fourth Proportional to 1,589.96, 2,192.94 and 1,393.13

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Solution

The fourth proportional to 1,589.96, 2,192.94 and 1,393.13 is: 1,921.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589.96 : 2,192.94 = 1,393.13 : x
  2. Step 2: Convert to fraction form
    1,589.96/2,192.94 = 1,393.13/x
  3. Step 3: Cross multiply
    1,589.96x = 2,192.94 × 1,393.13
  4. Step 4: Simplify right side
    1,589.96x = 3,055,050.50
  5. Step 5: Solve for x
    x = 3,055,050.50/1,589.96
  6. Step 6: Final answer
    x = 1,921.46

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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.