Home / 1,838.30-2,537.19-1,130.63

Finding the Fourth Proportional to 1,838.30, 2,537.19 and 1,130.63

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Solution

The fourth proportional to 1,838.30, 2,537.19 and 1,130.63 is: 1,560.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.30 : 2,537.19 = 1,130.63 : x
  2. Step 2: Convert to fraction form
    1,838.30/2,537.19 = 1,130.63/x
  3. Step 3: Cross multiply
    1,838.30x = 2,537.19 × 1,130.63
  4. Step 4: Simplify right side
    1,838.30x = 2,868,610.44
  5. Step 5: Solve for x
    x = 2,868,610.44/1,838.30
  6. Step 6: Final answer
    x = 1,560.47

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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.