Home / 2,548.60-3,518.76-1,958.08

Finding the Fourth Proportional to 2,548.60, 3,518.76 and 1,958.08

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Solution

The fourth proportional to 2,548.60, 3,518.76 and 1,958.08 is: 2,703.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.60 : 3,518.76 = 1,958.08 : x
  2. Step 2: Convert to fraction form
    2,548.60/3,518.76 = 1,958.08/x
  3. Step 3: Cross multiply
    2,548.60x = 3,518.76 × 1,958.08
  4. Step 4: Simplify right side
    2,548.60x = 6,890,013.58
  5. Step 5: Solve for x
    x = 6,890,013.58/2,548.60
  6. Step 6: Final answer
    x = 2,703.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.