Home / 1,720.00-2,579.80-1,017.63

Finding the Fourth Proportional to 1,720.00, 2,579.80 and 1,017.63

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Solution

The fourth proportional to 1,720.00, 2,579.80 and 1,017.63 is: 1,526.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720.00 : 2,579.80 = 1,017.63 : x
  2. Step 2: Convert to fraction form
    1,720.00/2,579.80 = 1,017.63/x
  3. Step 3: Cross multiply
    1,720.00x = 2,579.80 × 1,017.63
  4. Step 4: Simplify right side
    1,720.00x = 2,625,281.24
  5. Step 5: Solve for x
    x = 2,625,281.24/1,720.00
  6. Step 6: Final answer
    x = 1,526.33

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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.