Home / 4,126.90-6,190.35-1,354

Finding the Fourth Proportional to 4,126.90, 6,190.35 and 1,354

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Solution

The fourth proportional to 4,126.90, 6,190.35 and 1,354 is: 2,031.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.90 : 6,190.35 = 1,354 : x
  2. Step 2: Convert to fraction form
    4,126.90/6,190.35 = 1,354/x
  3. Step 3: Cross multiply
    4,126.90x = 6,190.35 × 1,354
  4. Step 4: Simplify right side
    4,126.90x = 8,381,733.90
  5. Step 5: Solve for x
    x = 8,381,733.90/4,126.90
  6. Step 6: Final answer
    x = 2,031.00

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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.