Home / 1,727.40-2,572.78-1,719.03

Finding the Fourth Proportional to 1,727.40, 2,572.78 and 1,719.03

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Solution

The fourth proportional to 1,727.40, 2,572.78 and 1,719.03 is: 2,560.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.40 : 2,572.78 = 1,719.03 : x
  2. Step 2: Convert to fraction form
    1,727.40/2,572.78 = 1,719.03/x
  3. Step 3: Cross multiply
    1,727.40x = 2,572.78 × 1,719.03
  4. Step 4: Simplify right side
    1,727.40x = 4,422,681.71
  5. Step 5: Solve for x
    x = 4,422,681.71/1,727.40
  6. Step 6: Final answer
    x = 2,560.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.