Home / 2,637.24-3,639.39-1,458.30

Finding the Fourth Proportional to 2,637.24, 3,639.39 and 1,458.30

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Solution

The fourth proportional to 2,637.24, 3,639.39 and 1,458.30 is: 2,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.24 : 3,639.39 = 1,458.30 : x
  2. Step 2: Convert to fraction form
    2,637.24/3,639.39 = 1,458.30/x
  3. Step 3: Cross multiply
    2,637.24x = 3,639.39 × 1,458.30
  4. Step 4: Simplify right side
    2,637.24x = 5,307,322.44
  5. Step 5: Solve for x
    x = 5,307,322.44/2,637.24
  6. Step 6: Final answer
    x = 2,012.45

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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.