Home / 3,157.02-4,362.48-3,005.28

Finding the Fourth Proportional to 3,157.02, 4,362.48 and 3,005.28

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Solution

The fourth proportional to 3,157.02, 4,362.48 and 3,005.28 is: 4,152.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.02 : 4,362.48 = 3,005.28 : x
  2. Step 2: Convert to fraction form
    3,157.02/4,362.48 = 3,005.28/x
  3. Step 3: Cross multiply
    3,157.02x = 4,362.48 × 3,005.28
  4. Step 4: Simplify right side
    3,157.02x = 13,110,473.89
  5. Step 5: Solve for x
    x = 13,110,473.89/3,157.02
  6. Step 6: Final answer
    x = 4,152.80

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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.