Home / 3,489.04-4,814.84-1,895.70

Finding the Fourth Proportional to 3,489.04, 4,814.84 and 1,895.70

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Solution

The fourth proportional to 3,489.04, 4,814.84 and 1,895.70 is: 2,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.04 : 4,814.84 = 1,895.70 : x
  2. Step 2: Convert to fraction form
    3,489.04/4,814.84 = 1,895.70/x
  3. Step 3: Cross multiply
    3,489.04x = 4,814.84 × 1,895.70
  4. Step 4: Simplify right side
    3,489.04x = 9,127,514.98
  5. Step 5: Solve for x
    x = 9,127,514.98/3,489.04
  6. Step 6: Final answer
    x = 2,616.05

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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.