Home / 1,537.77-2,307.20-1,308.41

Finding the Fourth Proportional to 1,537.77, 2,307.20 and 1,308.41

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Solution

The fourth proportional to 1,537.77, 2,307.20 and 1,308.41 is: 1,963.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537.77 : 2,307.20 = 1,308.41 : x
  2. Step 2: Convert to fraction form
    1,537.77/2,307.20 = 1,308.41/x
  3. Step 3: Cross multiply
    1,537.77x = 2,307.20 × 1,308.41
  4. Step 4: Simplify right side
    1,537.77x = 3,018,745.47
  5. Step 5: Solve for x
    x = 3,018,745.47/1,537.77
  6. Step 6: Final answer
    x = 1,963.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.