Home / 1,886.63-2,603.44-1,089.92

Finding the Fourth Proportional to 1,886.63, 2,603.44 and 1,089.92

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Solution

The fourth proportional to 1,886.63, 2,603.44 and 1,089.92 is: 1,504.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886.63 : 2,603.44 = 1,089.92 : x
  2. Step 2: Convert to fraction form
    1,886.63/2,603.44 = 1,089.92/x
  3. Step 3: Cross multiply
    1,886.63x = 2,603.44 × 1,089.92
  4. Step 4: Simplify right side
    1,886.63x = 2,837,549.20
  5. Step 5: Solve for x
    x = 2,837,549.20/1,886.63
  6. Step 6: Final answer
    x = 1,504.03

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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.