Home / 1,893.42-2,612.95-1,054.20

Finding the Fourth Proportional to 1,893.42, 2,612.95 and 1,054.20

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Solution

The fourth proportional to 1,893.42, 2,612.95 and 1,054.20 is: 1,454.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.42 : 2,612.95 = 1,054.20 : x
  2. Step 2: Convert to fraction form
    1,893.42/2,612.95 = 1,054.20/x
  3. Step 3: Cross multiply
    1,893.42x = 2,612.95 × 1,054.20
  4. Step 4: Simplify right side
    1,893.42x = 2,754,571.89
  5. Step 5: Solve for x
    x = 2,754,571.89/1,893.42
  6. Step 6: Final answer
    x = 1,454.81

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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.