Home / 3,637.16-5,457.81-1,415.70

Finding the Fourth Proportional to 3,637.16, 5,457.81 and 1,415.70

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Solution

The fourth proportional to 3,637.16, 5,457.81 and 1,415.70 is: 2,124.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.16 : 5,457.81 = 1,415.70 : x
  2. Step 2: Convert to fraction form
    3,637.16/5,457.81 = 1,415.70/x
  3. Step 3: Cross multiply
    3,637.16x = 5,457.81 × 1,415.70
  4. Step 4: Simplify right side
    3,637.16x = 7,726,634.81
  5. Step 5: Solve for x
    x = 7,726,634.81/3,637.16
  6. Step 6: Final answer
    x = 2,124.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.