Home / 1,719.57-2,373.02-1,011.44

Finding the Fourth Proportional to 1,719.57, 2,373.02 and 1,011.44

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Solution

The fourth proportional to 1,719.57, 2,373.02 and 1,011.44 is: 1,395.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.57 : 2,373.02 = 1,011.44 : x
  2. Step 2: Convert to fraction form
    1,719.57/2,373.02 = 1,011.44/x
  3. Step 3: Cross multiply
    1,719.57x = 2,373.02 × 1,011.44
  4. Step 4: Simplify right side
    1,719.57x = 2,400,165.12
  5. Step 5: Solve for x
    x = 2,400,165.12/1,719.57
  6. Step 6: Final answer
    x = 1,395.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.