Home / 3,656.04-5,038.92-2,912.46

Finding the Fourth Proportional to 3,656.04, 5,038.92 and 2,912.46

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Solution

The fourth proportional to 3,656.04, 5,038.92 and 2,912.46 is: 4,014.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.04 : 5,038.92 = 2,912.46 : x
  2. Step 2: Convert to fraction form
    3,656.04/5,038.92 = 2,912.46/x
  3. Step 3: Cross multiply
    3,656.04x = 5,038.92 × 2,912.46
  4. Step 4: Simplify right side
    3,656.04x = 14,675,652.94
  5. Step 5: Solve for x
    x = 14,675,652.94/3,656.04
  6. Step 6: Final answer
    x = 4,014.08

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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.