Home / 1,717.39-2,370.43-1,054.41

Finding the Fourth Proportional to 1,717.39, 2,370.43 and 1,054.41

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Solution

The fourth proportional to 1,717.39, 2,370.43 and 1,054.41 is: 1,455.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.39 : 2,370.43 = 1,054.41 : x
  2. Step 2: Convert to fraction form
    1,717.39/2,370.43 = 1,054.41/x
  3. Step 3: Cross multiply
    1,717.39x = 2,370.43 × 1,054.41
  4. Step 4: Simplify right side
    1,717.39x = 2,499,405.10
  5. Step 5: Solve for x
    x = 2,499,405.10/1,717.39
  6. Step 6: Final answer
    x = 1,455.35

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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.