Home / 3,490.45-4,814.98-2,649.76

Finding the Fourth Proportional to 3,490.45, 4,814.98 and 2,649.76

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Solution

The fourth proportional to 3,490.45, 4,814.98 and 2,649.76 is: 3,655.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.45 : 4,814.98 = 2,649.76 : x
  2. Step 2: Convert to fraction form
    3,490.45/4,814.98 = 2,649.76/x
  3. Step 3: Cross multiply
    3,490.45x = 4,814.98 × 2,649.76
  4. Step 4: Simplify right side
    3,490.45x = 12,758,522.74
  5. Step 5: Solve for x
    x = 12,758,522.74/3,490.45
  6. Step 6: Final answer
    x = 3,655.27

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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.