Home / 1,551.95-2,141.79-1,027.07

Finding the Fourth Proportional to 1,551.95, 2,141.79 and 1,027.07

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Solution

The fourth proportional to 1,551.95, 2,141.79 and 1,027.07 is: 1,417.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.95 : 2,141.79 = 1,027.07 : x
  2. Step 2: Convert to fraction form
    1,551.95/2,141.79 = 1,027.07/x
  3. Step 3: Cross multiply
    1,551.95x = 2,141.79 × 1,027.07
  4. Step 4: Simplify right side
    1,551.95x = 2,199,768.26
  5. Step 5: Solve for x
    x = 2,199,768.26/1,551.95
  6. Step 6: Final answer
    x = 1,417.42

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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.