Home / 1,460.96-2,190.18-730.88

Finding the Fourth Proportional to 1,460.96, 2,190.18 and 730.88

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Solution

The fourth proportional to 1,460.96, 2,190.18 and 730.88 is: 1,095.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.96 : 2,190.18 = 730.88 : x
  2. Step 2: Convert to fraction form
    1,460.96/2,190.18 = 730.88/x
  3. Step 3: Cross multiply
    1,460.96x = 2,190.18 × 730.88
  4. Step 4: Simplify right side
    1,460.96x = 1,600,758.76
  5. Step 5: Solve for x
    x = 1,600,758.76/1,460.96
  6. Step 6: Final answer
    x = 1,095.69

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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.