Home / 1,260.55-1,890.83-1,046.71

Finding the Fourth Proportional to 1,260.55, 1,890.83 and 1,046.71

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Solution

The fourth proportional to 1,260.55, 1,890.83 and 1,046.71 is: 1,570.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.55 : 1,890.83 = 1,046.71 : x
  2. Step 2: Convert to fraction form
    1,260.55/1,890.83 = 1,046.71/x
  3. Step 3: Cross multiply
    1,260.55x = 1,890.83 × 1,046.71
  4. Step 4: Simplify right side
    1,260.55x = 1,979,150.67
  5. Step 5: Solve for x
    x = 1,979,150.67/1,260.55
  6. Step 6: Final answer
    x = 1,570.07

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Similar ratio
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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.