Home / 3,652.93-5,478.81-1,312.54

Finding the Fourth Proportional to 3,652.93, 5,478.81 and 1,312.54

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Solution

The fourth proportional to 3,652.93, 5,478.81 and 1,312.54 is: 1,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.93 : 5,478.81 = 1,312.54 : x
  2. Step 2: Convert to fraction form
    3,652.93/5,478.81 = 1,312.54/x
  3. Step 3: Cross multiply
    3,652.93x = 5,478.81 × 1,312.54
  4. Step 4: Simplify right side
    3,652.93x = 7,191,157.28
  5. Step 5: Solve for x
    x = 7,191,157.28/3,652.93
  6. Step 6: Final answer
    x = 1,968.60

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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.