Home / 1,713.21-2,368.47-1,697.61

Finding the Fourth Proportional to 1,713.21, 2,368.47 and 1,697.61

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Solution

The fourth proportional to 1,713.21, 2,368.47 and 1,697.61 is: 2,346.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.21 : 2,368.47 = 1,697.61 : x
  2. Step 2: Convert to fraction form
    1,713.21/2,368.47 = 1,697.61/x
  3. Step 3: Cross multiply
    1,713.21x = 2,368.47 × 1,697.61
  4. Step 4: Simplify right side
    1,713.21x = 4,020,738.36
  5. Step 5: Solve for x
    x = 4,020,738.36/1,713.21
  6. Step 6: Final answer
    x = 2,346.90

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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.