Home / 3,347.99-4,619.07-1,931.63

Finding the Fourth Proportional to 3,347.99, 4,619.07 and 1,931.63

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Solution

The fourth proportional to 3,347.99, 4,619.07 and 1,931.63 is: 2,664.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.99 : 4,619.07 = 1,931.63 : x
  2. Step 2: Convert to fraction form
    3,347.99/4,619.07 = 1,931.63/x
  3. Step 3: Cross multiply
    3,347.99x = 4,619.07 × 1,931.63
  4. Step 4: Simplify right side
    3,347.99x = 8,922,311.09
  5. Step 5: Solve for x
    x = 8,922,311.09/3,347.99
  6. Step 6: Final answer
    x = 2,664.98

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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.