Home / 2,637.10-3,639.09-1,442.06

Finding the Fourth Proportional to 2,637.10, 3,639.09 and 1,442.06

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Solution

The fourth proportional to 2,637.10, 3,639.09 and 1,442.06 is: 1,989.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.10 : 3,639.09 = 1,442.06 : x
  2. Step 2: Convert to fraction form
    2,637.10/3,639.09 = 1,442.06/x
  3. Step 3: Cross multiply
    2,637.10x = 3,639.09 × 1,442.06
  4. Step 4: Simplify right side
    2,637.10x = 5,247,760.72
  5. Step 5: Solve for x
    x = 5,247,760.72/2,637.10
  6. Step 6: Final answer
    x = 1,989.97

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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.