Home / 3,630.04-5,445.06-2,898.64

Finding the Fourth Proportional to 3,630.04, 5,445.06 and 2,898.64

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Solution

The fourth proportional to 3,630.04, 5,445.06 and 2,898.64 is: 4,347.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.04 : 5,445.06 = 2,898.64 : x
  2. Step 2: Convert to fraction form
    3,630.04/5,445.06 = 2,898.64/x
  3. Step 3: Cross multiply
    3,630.04x = 5,445.06 × 2,898.64
  4. Step 4: Simplify right side
    3,630.04x = 15,783,268.72
  5. Step 5: Solve for x
    x = 15,783,268.72/3,630.04
  6. Step 6: Final answer
    x = 4,347.96

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1.5x scale

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.