Home / 1,719.43-2,373.60-1,325.77

Finding the Fourth Proportional to 1,719.43, 2,373.60 and 1,325.77

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Solution

The fourth proportional to 1,719.43, 2,373.60 and 1,325.77 is: 1,830.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.43 : 2,373.60 = 1,325.77 : x
  2. Step 2: Convert to fraction form
    1,719.43/2,373.60 = 1,325.77/x
  3. Step 3: Cross multiply
    1,719.43x = 2,373.60 × 1,325.77
  4. Step 4: Simplify right side
    1,719.43x = 3,146,847.67
  5. Step 5: Solve for x
    x = 3,146,847.67/1,719.43
  6. Step 6: Final answer
    x = 1,830.17

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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.