Home / 3,089.13-4,262.84-1,830.31

Finding the Fourth Proportional to 3,089.13, 4,262.84 and 1,830.31

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Solution

The fourth proportional to 3,089.13, 4,262.84 and 1,830.31 is: 2,525.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.13 : 4,262.84 = 1,830.31 : x
  2. Step 2: Convert to fraction form
    3,089.13/4,262.84 = 1,830.31/x
  3. Step 3: Cross multiply
    3,089.13x = 4,262.84 × 1,830.31
  4. Step 4: Simplify right side
    3,089.13x = 7,802,294.31
  5. Step 5: Solve for x
    x = 7,802,294.31/3,089.13
  6. Step 6: Final answer
    x = 2,525.72

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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.