Home / 3,215.45-4,820.06-1,460.93

Finding the Fourth Proportional to 3,215.45, 4,820.06 and 1,460.93

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Solution

The fourth proportional to 3,215.45, 4,820.06 and 1,460.93 is: 2,189.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.45 : 4,820.06 = 1,460.93 : x
  2. Step 2: Convert to fraction form
    3,215.45/4,820.06 = 1,460.93/x
  3. Step 3: Cross multiply
    3,215.45x = 4,820.06 × 1,460.93
  4. Step 4: Simplify right side
    3,215.45x = 7,041,749.81
  5. Step 5: Solve for x
    x = 7,041,749.81/3,215.45
  6. Step 6: Final answer
    x = 2,189.97

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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.