Home / 3,135.02-4,702.56-1,285.41

Finding the Fourth Proportional to 3,135.02, 4,702.56 and 1,285.41

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Solution

The fourth proportional to 3,135.02, 4,702.56 and 1,285.41 is: 1,928.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.02 : 4,702.56 = 1,285.41 : x
  2. Step 2: Convert to fraction form
    3,135.02/4,702.56 = 1,285.41/x
  3. Step 3: Cross multiply
    3,135.02x = 4,702.56 × 1,285.41
  4. Step 4: Simplify right side
    3,135.02x = 6,044,712.83
  5. Step 5: Solve for x
    x = 6,044,712.83/3,135.02
  6. Step 6: Final answer
    x = 1,928.13

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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.