Home / 1,890.13-2,834.09-573.49

Finding the Fourth Proportional to 1,890.13, 2,834.09 and 573.49

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Solution

The fourth proportional to 1,890.13, 2,834.09 and 573.49 is: 859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890.13 : 2,834.09 = 573.49 : x
  2. Step 2: Convert to fraction form
    1,890.13/2,834.09 = 573.49/x
  3. Step 3: Cross multiply
    1,890.13x = 2,834.09 × 573.49
  4. Step 4: Simplify right side
    1,890.13x = 1,625,314.47
  5. Step 5: Solve for x
    x = 1,625,314.47/1,890.13
  6. Step 6: Final answer
    x = 859.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.