Home / 2,637.66-3,639.54-1,458.50

Finding the Fourth Proportional to 2,637.66, 3,639.54 and 1,458.50

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Solution

The fourth proportional to 2,637.66, 3,639.54 and 1,458.50 is: 2,012.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.66 : 3,639.54 = 1,458.50 : x
  2. Step 2: Convert to fraction form
    2,637.66/3,639.54 = 1,458.50/x
  3. Step 3: Cross multiply
    2,637.66x = 3,639.54 × 1,458.50
  4. Step 4: Simplify right side
    2,637.66x = 5,308,269.09
  5. Step 5: Solve for x
    x = 5,308,269.09/2,637.66
  6. Step 6: Final answer
    x = 2,012.49

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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.