Home / 3,434.85-4,739.96-1,862.91

Finding the Fourth Proportional to 3,434.85, 4,739.96 and 1,862.91

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Solution

The fourth proportional to 3,434.85, 4,739.96 and 1,862.91 is: 2,570.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.85 : 4,739.96 = 1,862.91 : x
  2. Step 2: Convert to fraction form
    3,434.85/4,739.96 = 1,862.91/x
  3. Step 3: Cross multiply
    3,434.85x = 4,739.96 × 1,862.91
  4. Step 4: Simplify right side
    3,434.85x = 8,830,118.88
  5. Step 5: Solve for x
    x = 8,830,118.88/3,434.85
  6. Step 6: Final answer
    x = 2,570.74

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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.