Home / 2,637.49-3,640.18-1,519.07

Finding the Fourth Proportional to 2,637.49, 3,640.18 and 1,519.07

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Solution

The fourth proportional to 2,637.49, 3,640.18 and 1,519.07 is: 2,096.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.49 : 3,640.18 = 1,519.07 : x
  2. Step 2: Convert to fraction form
    2,637.49/3,640.18 = 1,519.07/x
  3. Step 3: Cross multiply
    2,637.49x = 3,640.18 × 1,519.07
  4. Step 4: Simplify right side
    2,637.49x = 5,529,697.81
  5. Step 5: Solve for x
    x = 5,529,697.81/2,637.49
  6. Step 6: Final answer
    x = 2,096.58

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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.