Home / 1,838.52-2,745.81-1,510.20

Finding the Fourth Proportional to 1,838.52, 2,745.81 and 1,510.20

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Solution

The fourth proportional to 1,838.52, 2,745.81 and 1,510.20 is: 2,255.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.52 : 2,745.81 = 1,510.20 : x
  2. Step 2: Convert to fraction form
    1,838.52/2,745.81 = 1,510.20/x
  3. Step 3: Cross multiply
    1,838.52x = 2,745.81 × 1,510.20
  4. Step 4: Simplify right side
    1,838.52x = 4,146,722.26
  5. Step 5: Solve for x
    x = 4,146,722.26/1,838.52
  6. Step 6: Final answer
    x = 2,255.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.