Home / 1,642.45-2,463.68-1,571.35

Finding the Fourth Proportional to 1,642.45, 2,463.68 and 1,571.35

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Solution

The fourth proportional to 1,642.45, 2,463.68 and 1,571.35 is: 2,357.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642.45 : 2,463.68 = 1,571.35 : x
  2. Step 2: Convert to fraction form
    1,642.45/2,463.68 = 1,571.35/x
  3. Step 3: Cross multiply
    1,642.45x = 2,463.68 × 1,571.35
  4. Step 4: Simplify right side
    1,642.45x = 3,871,295.71
  5. Step 5: Solve for x
    x = 3,871,295.71/1,642.45
  6. Step 6: Final answer
    x = 2,357.03

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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.