Home / 3,135.13-4,703.04-1,285.99

Finding the Fourth Proportional to 3,135.13, 4,703.04 and 1,285.99

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Solution

The fourth proportional to 3,135.13, 4,703.04 and 1,285.99 is: 1,929.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.13 : 4,703.04 = 1,285.99 : x
  2. Step 2: Convert to fraction form
    3,135.13/4,703.04 = 1,285.99/x
  3. Step 3: Cross multiply
    3,135.13x = 4,703.04 × 1,285.99
  4. Step 4: Simplify right side
    3,135.13x = 6,048,062.41
  5. Step 5: Solve for x
    x = 6,048,062.41/3,135.13
  6. Step 6: Final answer
    x = 1,929.13

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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.