Home / 1,948.60-2,921.58-1,023.40

Finding the Fourth Proportional to 1,948.60, 2,921.58 and 1,023.40

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Solution

The fourth proportional to 1,948.60, 2,921.58 and 1,023.40 is: 1,534.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948.60 : 2,921.58 = 1,023.40 : x
  2. Step 2: Convert to fraction form
    1,948.60/2,921.58 = 1,023.40/x
  3. Step 3: Cross multiply
    1,948.60x = 2,921.58 × 1,023.40
  4. Step 4: Simplify right side
    1,948.60x = 2,989,944.97
  5. Step 5: Solve for x
    x = 2,989,944.97/1,948.60
  6. Step 6: Final answer
    x = 1,534.41

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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.