Home / 1,720.98-2,576.70-1,303.23

Finding the Fourth Proportional to 1,720.98, 2,576.70 and 1,303.23

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Solution

The fourth proportional to 1,720.98, 2,576.70 and 1,303.23 is: 1,951.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720.98 : 2,576.70 = 1,303.23 : x
  2. Step 2: Convert to fraction form
    1,720.98/2,576.70 = 1,303.23/x
  3. Step 3: Cross multiply
    1,720.98x = 2,576.70 × 1,303.23
  4. Step 4: Simplify right side
    1,720.98x = 3,358,032.74
  5. Step 5: Solve for x
    x = 3,358,032.74/1,720.98
  6. Step 6: Final answer
    x = 1,951.23

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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.