Home / 2,548.60-3,822.90-2,451.40

Finding the Fourth Proportional to 2,548.60, 3,822.90 and 2,451.40

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Solution

The fourth proportional to 2,548.60, 3,822.90 and 2,451.40 is: 3,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.60 : 3,822.90 = 2,451.40 : x
  2. Step 2: Convert to fraction form
    2,548.60/3,822.90 = 2,451.40/x
  3. Step 3: Cross multiply
    2,548.60x = 3,822.90 × 2,451.40
  4. Step 4: Simplify right side
    2,548.60x = 9,371,457.06
  5. Step 5: Solve for x
    x = 9,371,457.06/2,548.60
  6. Step 6: Final answer
    x = 3,677.10

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1.5x scale

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.