Home / 3,089.24-4,262.47-1,830.68

Finding the Fourth Proportional to 3,089.24, 4,262.47 and 1,830.68

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Solution

The fourth proportional to 3,089.24, 4,262.47 and 1,830.68 is: 2,525.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.24 : 4,262.47 = 1,830.68 : x
  2. Step 2: Convert to fraction form
    3,089.24/4,262.47 = 1,830.68/x
  3. Step 3: Cross multiply
    3,089.24x = 4,262.47 × 1,830.68
  4. Step 4: Simplify right side
    3,089.24x = 7,803,218.58
  5. Step 5: Solve for x
    x = 7,803,218.58/3,089.24
  6. Step 6: Final answer
    x = 2,525.93

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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.