Home / 2,002.91-3,004.36-1,313.93

Finding the Fourth Proportional to 2,002.91, 3,004.36 and 1,313.93

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Solution

The fourth proportional to 2,002.91, 3,004.36 and 1,313.93 is: 1,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002.91 : 3,004.36 = 1,313.93 : x
  2. Step 2: Convert to fraction form
    2,002.91/3,004.36 = 1,313.93/x
  3. Step 3: Cross multiply
    2,002.91x = 3,004.36 × 1,313.93
  4. Step 4: Simplify right side
    2,002.91x = 3,947,522.96
  5. Step 5: Solve for x
    x = 3,947,522.96/2,002.91
  6. Step 6: Final answer
    x = 1,970.90

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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.