Home / 1,718.10-2,370.84-1,009.98

Finding the Fourth Proportional to 1,718.10, 2,370.84 and 1,009.98

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Solution

The fourth proportional to 1,718.10, 2,370.84 and 1,009.98 is: 1,393.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.10 : 2,370.84 = 1,009.98 : x
  2. Step 2: Convert to fraction form
    1,718.10/2,370.84 = 1,009.98/x
  3. Step 3: Cross multiply
    1,718.10x = 2,370.84 × 1,009.98
  4. Step 4: Simplify right side
    1,718.10x = 2,394,500.98
  5. Step 5: Solve for x
    x = 2,394,500.98/1,718.10
  6. Step 6: Final answer
    x = 1,393.69

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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.