Home / 3,637.81-5,018.65-2,239.75

Finding the Fourth Proportional to 3,637.81, 5,018.65 and 2,239.75

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Solution

The fourth proportional to 3,637.81, 5,018.65 and 2,239.75 is: 3,089.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.81 : 5,018.65 = 2,239.75 : x
  2. Step 2: Convert to fraction form
    3,637.81/5,018.65 = 2,239.75/x
  3. Step 3: Cross multiply
    3,637.81x = 5,018.65 × 2,239.75
  4. Step 4: Simplify right side
    3,637.81x = 11,240,521.34
  5. Step 5: Solve for x
    x = 11,240,521.34/3,637.81
  6. Step 6: Final answer
    x = 3,089.91

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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.