Home / 3,127.70-4,688.67-1,485.02

Finding the Fourth Proportional to 3,127.70, 4,688.67 and 1,485.02

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Solution

The fourth proportional to 3,127.70, 4,688.67 and 1,485.02 is: 2,226.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.70 : 4,688.67 = 1,485.02 : x
  2. Step 2: Convert to fraction form
    3,127.70/4,688.67 = 1,485.02/x
  3. Step 3: Cross multiply
    3,127.70x = 4,688.67 × 1,485.02
  4. Step 4: Simplify right side
    3,127.70x = 6,962,768.72
  5. Step 5: Solve for x
    x = 6,962,768.72/3,127.70
  6. Step 6: Final answer
    x = 2,226.16

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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.