Home / 1,925.64-2,881.80-1,308.60

Finding the Fourth Proportional to 1,925.64, 2,881.80 and 1,308.60

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Solution

The fourth proportional to 1,925.64, 2,881.80 and 1,308.60 is: 1,958.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.64 : 2,881.80 = 1,308.60 : x
  2. Step 2: Convert to fraction form
    1,925.64/2,881.80 = 1,308.60/x
  3. Step 3: Cross multiply
    1,925.64x = 2,881.80 × 1,308.60
  4. Step 4: Simplify right side
    1,925.64x = 3,771,123.48
  5. Step 5: Solve for x
    x = 3,771,123.48/1,925.64
  6. Step 6: Final answer
    x = 1,958.37

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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.