Home / 2,637.36-3,639.42-1,458.42

Finding the Fourth Proportional to 2,637.36, 3,639.42 and 1,458.42

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Solution

The fourth proportional to 2,637.36, 3,639.42 and 1,458.42 is: 2,012.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.36 : 3,639.42 = 1,458.42 : x
  2. Step 2: Convert to fraction form
    2,637.36/3,639.42 = 1,458.42/x
  3. Step 3: Cross multiply
    2,637.36x = 3,639.42 × 1,458.42
  4. Step 4: Simplify right side
    2,637.36x = 5,307,802.92
  5. Step 5: Solve for x
    x = 5,307,802.92/2,637.36
  6. Step 6: Final answer
    x = 2,012.54

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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.