Home / 2,954.52-4,073.43-2,421.45

Finding the Fourth Proportional to 2,954.52, 4,073.43 and 2,421.45

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Solution

The fourth proportional to 2,954.52, 4,073.43 and 2,421.45 is: 3,338.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.52 : 4,073.43 = 2,421.45 : x
  2. Step 2: Convert to fraction form
    2,954.52/4,073.43 = 2,421.45/x
  3. Step 3: Cross multiply
    2,954.52x = 4,073.43 × 2,421.45
  4. Step 4: Simplify right side
    2,954.52x = 9,863,586.71
  5. Step 5: Solve for x
    x = 9,863,586.71/2,954.52
  6. Step 6: Final answer
    x = 3,338.48

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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.