Home / 3,405.80-4,700.18-1,893.53

Finding the Fourth Proportional to 3,405.80, 4,700.18 and 1,893.53

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Solution

The fourth proportional to 3,405.80, 4,700.18 and 1,893.53 is: 2,613.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.80 : 4,700.18 = 1,893.53 : x
  2. Step 2: Convert to fraction form
    3,405.80/4,700.18 = 1,893.53/x
  3. Step 3: Cross multiply
    3,405.80x = 4,700.18 × 1,893.53
  4. Step 4: Simplify right side
    3,405.80x = 8,899,931.84
  5. Step 5: Solve for x
    x = 8,899,931.84/3,405.80
  6. Step 6: Final answer
    x = 2,613.17

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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.