Home / 2,637.02-3,639.11-1,458.11

Finding the Fourth Proportional to 2,637.02, 3,639.11 and 1,458.11

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Solution

The fourth proportional to 2,637.02, 3,639.11 and 1,458.11 is: 2,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.02 : 3,639.11 = 1,458.11 : x
  2. Step 2: Convert to fraction form
    2,637.02/3,639.11 = 1,458.11/x
  3. Step 3: Cross multiply
    2,637.02x = 3,639.11 × 1,458.11
  4. Step 4: Simplify right side
    2,637.02x = 5,306,197.20
  5. Step 5: Solve for x
    x = 5,306,197.20/2,637.02
  6. Step 6: Final answer
    x = 2,012.20

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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.