Home / 3,127.01-4,688.13-1,894.09

Finding the Fourth Proportional to 3,127.01, 4,688.13 and 1,894.09

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Solution

The fourth proportional to 3,127.01, 4,688.13 and 1,894.09 is: 2,839.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.01 : 4,688.13 = 1,894.09 : x
  2. Step 2: Convert to fraction form
    3,127.01/4,688.13 = 1,894.09/x
  3. Step 3: Cross multiply
    3,127.01x = 4,688.13 × 1,894.09
  4. Step 4: Simplify right side
    3,127.01x = 8,879,740.15
  5. Step 5: Solve for x
    x = 8,879,740.15/3,127.01
  6. Step 6: Final answer
    x = 2,839.69

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1.5x scale

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.