Home / 1,717.99-2,369.88-1,054.60

Finding the Fourth Proportional to 1,717.99, 2,369.88 and 1,054.60

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Solution

The fourth proportional to 1,717.99, 2,369.88 and 1,054.60 is: 1,454.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.99 : 2,369.88 = 1,054.60 : x
  2. Step 2: Convert to fraction form
    1,717.99/2,369.88 = 1,054.60/x
  3. Step 3: Cross multiply
    1,717.99x = 2,369.88 × 1,054.60
  4. Step 4: Simplify right side
    1,717.99x = 2,499,275.45
  5. Step 5: Solve for x
    x = 2,499,275.45/1,717.99
  6. Step 6: Final answer
    x = 1,454.77

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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.