Home / 2,596.40-3,895.21-841.40

Finding the Fourth Proportional to 2,596.40, 3,895.21 and 841.40

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Solution

The fourth proportional to 2,596.40, 3,895.21 and 841.40 is: 1,262.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,596.40 : 3,895.21 = 841.40 : x
  2. Step 2: Convert to fraction form
    2,596.40/3,895.21 = 841.40/x
  3. Step 3: Cross multiply
    2,596.40x = 3,895.21 × 841.40
  4. Step 4: Simplify right side
    2,596.40x = 3,277,429.69
  5. Step 5: Solve for x
    x = 3,277,429.69/2,596.40
  6. Step 6: Final answer
    x = 1,262.30

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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.