Home / 2,491.63-3,438.45-1,444.30

Finding the Fourth Proportional to 2,491.63, 3,438.45 and 1,444.30

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Solution

The fourth proportional to 2,491.63, 3,438.45 and 1,444.30 is: 1,993.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.63 : 3,438.45 = 1,444.30 : x
  2. Step 2: Convert to fraction form
    2,491.63/3,438.45 = 1,444.30/x
  3. Step 3: Cross multiply
    2,491.63x = 3,438.45 × 1,444.30
  4. Step 4: Simplify right side
    2,491.63x = 4,966,128.92
  5. Step 5: Solve for x
    x = 4,966,128.92/2,491.63
  6. Step 6: Final answer
    x = 1,993.13

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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.