Home / 1,717.62-2,368.80-1,518.63

Finding the Fourth Proportional to 1,717.62, 2,368.80 and 1,518.63

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Solution

The fourth proportional to 1,717.62, 2,368.80 and 1,518.63 is: 2,094.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.62 : 2,368.80 = 1,518.63 : x
  2. Step 2: Convert to fraction form
    1,717.62/2,368.80 = 1,518.63/x
  3. Step 3: Cross multiply
    1,717.62x = 2,368.80 × 1,518.63
  4. Step 4: Simplify right side
    1,717.62x = 3,597,330.74
  5. Step 5: Solve for x
    x = 3,597,330.74/1,717.62
  6. Step 6: Final answer
    x = 2,094.37

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1.5x scale

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.