Home / 2,551.02-3,520.50-1,431.96

Finding the Fourth Proportional to 2,551.02, 3,520.50 and 1,431.96

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Solution

The fourth proportional to 2,551.02, 3,520.50 and 1,431.96 is: 1,976.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.02 : 3,520.50 = 1,431.96 : x
  2. Step 2: Convert to fraction form
    2,551.02/3,520.50 = 1,431.96/x
  3. Step 3: Cross multiply
    2,551.02x = 3,520.50 × 1,431.96
  4. Step 4: Simplify right side
    2,551.02x = 5,041,215.18
  5. Step 5: Solve for x
    x = 5,041,215.18/2,551.02
  6. Step 6: Final answer
    x = 1,976.16

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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.