Home / 1,749.88-2,621.40-1,056.70

Finding the Fourth Proportional to 1,749.88, 2,621.40 and 1,056.70

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Solution

The fourth proportional to 1,749.88, 2,621.40 and 1,056.70 is: 1,582.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.88 : 2,621.40 = 1,056.70 : x
  2. Step 2: Convert to fraction form
    1,749.88/2,621.40 = 1,056.70/x
  3. Step 3: Cross multiply
    1,749.88x = 2,621.40 × 1,056.70
  4. Step 4: Simplify right side
    1,749.88x = 2,770,033.38
  5. Step 5: Solve for x
    x = 2,770,033.38/1,749.88
  6. Step 6: Final answer
    x = 1,582.98

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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.