Home / 2,347.15-3,239.03-1,284.89

Finding the Fourth Proportional to 2,347.15, 3,239.03 and 1,284.89

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Solution

The fourth proportional to 2,347.15, 3,239.03 and 1,284.89 is: 1,773.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.15 : 3,239.03 = 1,284.89 : x
  2. Step 2: Convert to fraction form
    2,347.15/3,239.03 = 1,284.89/x
  3. Step 3: Cross multiply
    2,347.15x = 3,239.03 × 1,284.89
  4. Step 4: Simplify right side
    2,347.15x = 4,161,790.83
  5. Step 5: Solve for x
    x = 4,161,790.83/2,347.15
  6. Step 6: Final answer
    x = 1,773.13

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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.