Home / 3,370.29-5,053.55-1,638.92

Finding the Fourth Proportional to 3,370.29, 5,053.55 and 1,638.92

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Solution

The fourth proportional to 3,370.29, 5,053.55 and 1,638.92 is: 2,457.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.29 : 5,053.55 = 1,638.92 : x
  2. Step 2: Convert to fraction form
    3,370.29/5,053.55 = 1,638.92/x
  3. Step 3: Cross multiply
    3,370.29x = 5,053.55 × 1,638.92
  4. Step 4: Simplify right side
    3,370.29x = 8,282,330.70
  5. Step 5: Solve for x
    x = 8,282,330.70/3,370.29
  6. Step 6: Final answer
    x = 2,457.45

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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.