Home / 2,957.60-4,431.54-2,090.36

Finding the Fourth Proportional to 2,957.60, 4,431.54 and 2,090.36

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Solution

The fourth proportional to 2,957.60, 4,431.54 and 2,090.36 is: 3,132.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.60 : 4,431.54 = 2,090.36 : x
  2. Step 2: Convert to fraction form
    2,957.60/4,431.54 = 2,090.36/x
  3. Step 3: Cross multiply
    2,957.60x = 4,431.54 × 2,090.36
  4. Step 4: Simplify right side
    2,957.60x = 9,263,513.95
  5. Step 5: Solve for x
    x = 9,263,513.95/2,957.60
  6. Step 6: Final answer
    x = 3,132.11

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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.