Home / 2,637.06-3,639.12-1,458.12

Finding the Fourth Proportional to 2,637.06, 3,639.12 and 1,458.12

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Solution

The fourth proportional to 2,637.06, 3,639.12 and 1,458.12 is: 2,012.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.06 : 3,639.12 = 1,458.12 : x
  2. Step 2: Convert to fraction form
    2,637.06/3,639.12 = 1,458.12/x
  3. Step 3: Cross multiply
    2,637.06x = 3,639.12 × 1,458.12
  4. Step 4: Simplify right side
    2,637.06x = 5,306,273.65
  5. Step 5: Solve for x
    x = 5,306,273.65/2,637.06
  6. Step 6: Final answer
    x = 2,012.19

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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.