Home / 3,392.15-4,681.35-1,899.99

Finding the Fourth Proportional to 3,392.15, 4,681.35 and 1,899.99

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Solution

The fourth proportional to 3,392.15, 4,681.35 and 1,899.99 is: 2,622.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.15 : 4,681.35 = 1,899.99 : x
  2. Step 2: Convert to fraction form
    3,392.15/4,681.35 = 1,899.99/x
  3. Step 3: Cross multiply
    3,392.15x = 4,681.35 × 1,899.99
  4. Step 4: Simplify right side
    3,392.15x = 8,894,518.19
  5. Step 5: Solve for x
    x = 8,894,518.19/3,392.15
  6. Step 6: Final answer
    x = 2,622.09

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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.