Home / 3,746.80-5,612.08-3,336.40

Finding the Fourth Proportional to 3,746.80, 5,612.08 and 3,336.40

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Solution

The fourth proportional to 3,746.80, 5,612.08 and 3,336.40 is: 4,997.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.80 : 5,612.08 = 3,336.40 : x
  2. Step 2: Convert to fraction form
    3,746.80/5,612.08 = 3,336.40/x
  3. Step 3: Cross multiply
    3,746.80x = 5,612.08 × 3,336.40
  4. Step 4: Simplify right side
    3,746.80x = 18,724,143.71
  5. Step 5: Solve for x
    x = 18,724,143.71/3,746.80
  6. Step 6: Final answer
    x = 4,997.37

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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.