Home / 1,551.61-2,141.63-1,027.45

Finding the Fourth Proportional to 1,551.61, 2,141.63 and 1,027.45

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Solution

The fourth proportional to 1,551.61, 2,141.63 and 1,027.45 is: 1,418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.61 : 2,141.63 = 1,027.45 : x
  2. Step 2: Convert to fraction form
    1,551.61/2,141.63 = 1,027.45/x
  3. Step 3: Cross multiply
    1,551.61x = 2,141.63 × 1,027.45
  4. Step 4: Simplify right side
    1,551.61x = 2,200,412.61
  5. Step 5: Solve for x
    x = 2,200,412.61/1,551.61
  6. Step 6: Final answer
    x = 1,418.15

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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.