Home / 2,637.20-3,639.29-1,458.27

Finding the Fourth Proportional to 2,637.20, 3,639.29 and 1,458.27

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Solution

The fourth proportional to 2,637.20, 3,639.29 and 1,458.27 is: 2,012.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.20 : 3,639.29 = 1,458.27 : x
  2. Step 2: Convert to fraction form
    2,637.20/3,639.29 = 1,458.27/x
  3. Step 3: Cross multiply
    2,637.20x = 3,639.29 × 1,458.27
  4. Step 4: Simplify right side
    2,637.20x = 5,307,045.81
  5. Step 5: Solve for x
    x = 5,307,045.81/2,637.20
  6. Step 6: Final answer
    x = 2,012.38

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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.