Home / 4,258.48-6,385.56-1,948

Finding the Fourth Proportional to 4,258.48, 6,385.56 and 1,948

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Solution

The fourth proportional to 4,258.48, 6,385.56 and 1,948 is: 2,921.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.48 : 6,385.56 = 1,948 : x
  2. Step 2: Convert to fraction form
    4,258.48/6,385.56 = 1,948/x
  3. Step 3: Cross multiply
    4,258.48x = 6,385.56 × 1,948
  4. Step 4: Simplify right side
    4,258.48x = 12,439,070.88
  5. Step 5: Solve for x
    x = 12,439,070.88/4,258.48
  6. Step 6: Final answer
    x = 2,921.01

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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.