Home / 2,421.58-3,342.06-1,373.83

Finding the Fourth Proportional to 2,421.58, 3,342.06 and 1,373.83

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Solution

The fourth proportional to 2,421.58, 3,342.06 and 1,373.83 is: 1,896.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.58 : 3,342.06 = 1,373.83 : x
  2. Step 2: Convert to fraction form
    2,421.58/3,342.06 = 1,373.83/x
  3. Step 3: Cross multiply
    2,421.58x = 3,342.06 × 1,373.83
  4. Step 4: Simplify right side
    2,421.58x = 4,591,422.29
  5. Step 5: Solve for x
    x = 4,591,422.29/2,421.58
  6. Step 6: Final answer
    x = 1,896.04

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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.