Home / 1,886.49-2,603.16-1,100.52

Finding the Fourth Proportional to 1,886.49, 2,603.16 and 1,100.52

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Solution

The fourth proportional to 1,886.49, 2,603.16 and 1,100.52 is: 1,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886.49 : 2,603.16 = 1,100.52 : x
  2. Step 2: Convert to fraction form
    1,886.49/2,603.16 = 1,100.52/x
  3. Step 3: Cross multiply
    1,886.49x = 2,603.16 × 1,100.52
  4. Step 4: Simplify right side
    1,886.49x = 2,864,829.64
  5. Step 5: Solve for x
    x = 2,864,829.64/1,886.49
  6. Step 6: Final answer
    x = 1,518.60

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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.