Home / 3,126.90-4,313.24-2,064.67

Finding the Fourth Proportional to 3,126.90, 4,313.24 and 2,064.67

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Solution

The fourth proportional to 3,126.90, 4,313.24 and 2,064.67 is: 2,848.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.90 : 4,313.24 = 2,064.67 : x
  2. Step 2: Convert to fraction form
    3,126.90/4,313.24 = 2,064.67/x
  3. Step 3: Cross multiply
    3,126.90x = 4,313.24 × 2,064.67
  4. Step 4: Simplify right side
    3,126.90x = 8,905,406.91
  5. Step 5: Solve for x
    x = 8,905,406.91/3,126.90
  6. Step 6: Final answer
    x = 2,848.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.