Home / 1,719.02-2,578.80-564.50

Finding the Fourth Proportional to 1,719.02, 2,578.80 and 564.50

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Solution

The fourth proportional to 1,719.02, 2,578.80 and 564.50 is: 846.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.02 : 2,578.80 = 564.50 : x
  2. Step 2: Convert to fraction form
    1,719.02/2,578.80 = 564.50/x
  3. Step 3: Cross multiply
    1,719.02x = 2,578.80 × 564.50
  4. Step 4: Simplify right side
    1,719.02x = 1,455,732.60
  5. Step 5: Solve for x
    x = 1,455,732.60/1,719.02
  6. Step 6: Final answer
    x = 846.84

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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.