Home / 3,158.77-4,359.12-1,814.02

Finding the Fourth Proportional to 3,158.77, 4,359.12 and 1,814.02

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Solution

The fourth proportional to 3,158.77, 4,359.12 and 1,814.02 is: 2,503.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.77 : 4,359.12 = 1,814.02 : x
  2. Step 2: Convert to fraction form
    3,158.77/4,359.12 = 1,814.02/x
  3. Step 3: Cross multiply
    3,158.77x = 4,359.12 × 1,814.02
  4. Step 4: Simplify right side
    3,158.77x = 7,907,525.42
  5. Step 5: Solve for x
    x = 7,907,525.42/3,158.77
  6. Step 6: Final answer
    x = 2,503.35

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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.