Home / 2,954.40-4,431.60-1,655.70

Finding the Fourth Proportional to 2,954.40, 4,431.60 and 1,655.70

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Solution

The fourth proportional to 2,954.40, 4,431.60 and 1,655.70 is: 2,483.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.40 : 4,431.60 = 1,655.70 : x
  2. Step 2: Convert to fraction form
    2,954.40/4,431.60 = 1,655.70/x
  3. Step 3: Cross multiply
    2,954.40x = 4,431.60 × 1,655.70
  4. Step 4: Simplify right side
    2,954.40x = 7,337,400.12
  5. Step 5: Solve for x
    x = 7,337,400.12/2,954.40
  6. Step 6: Final answer
    x = 2,483.55

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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.