Home / 3,852.04-5,315.81-2,173.45

Finding the Fourth Proportional to 3,852.04, 5,315.81 and 2,173.45

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Solution

The fourth proportional to 3,852.04, 5,315.81 and 2,173.45 is: 2,999.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.04 : 5,315.81 = 2,173.45 : x
  2. Step 2: Convert to fraction form
    3,852.04/5,315.81 = 2,173.45/x
  3. Step 3: Cross multiply
    3,852.04x = 5,315.81 × 2,173.45
  4. Step 4: Simplify right side
    3,852.04x = 11,553,647.24
  5. Step 5: Solve for x
    x = 11,553,647.24/3,852.04
  6. Step 6: Final answer
    x = 2,999.36

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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.