Home / 1,886.07-2,603.10-1,089.44

Finding the Fourth Proportional to 1,886.07, 2,603.10 and 1,089.44

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Solution

The fourth proportional to 1,886.07, 2,603.10 and 1,089.44 is: 1,503.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886.07 : 2,603.10 = 1,089.44 : x
  2. Step 2: Convert to fraction form
    1,886.07/2,603.10 = 1,089.44/x
  3. Step 3: Cross multiply
    1,886.07x = 2,603.10 × 1,089.44
  4. Step 4: Simplify right side
    1,886.07x = 2,835,921.26
  5. Step 5: Solve for x
    x = 2,835,921.26/1,886.07
  6. Step 6: Final answer
    x = 1,503.61

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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.