Home / 1,719.90-2,373.58-1,657.94

Finding the Fourth Proportional to 1,719.90, 2,373.58 and 1,657.94

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Solution

The fourth proportional to 1,719.90, 2,373.58 and 1,657.94 is: 2,288.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.90 : 2,373.58 = 1,657.94 : x
  2. Step 2: Convert to fraction form
    1,719.90/2,373.58 = 1,657.94/x
  3. Step 3: Cross multiply
    1,719.90x = 2,373.58 × 1,657.94
  4. Step 4: Simplify right side
    1,719.90x = 3,935,253.23
  5. Step 5: Solve for x
    x = 3,935,253.23/1,719.90
  6. Step 6: Final answer
    x = 2,288.07

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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.