Home / 1,717.56-2,368.44-1,018.80

Finding the Fourth Proportional to 1,717.56, 2,368.44 and 1,018.80

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Solution

The fourth proportional to 1,717.56, 2,368.44 and 1,018.80 is: 1,404.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.56 : 2,368.44 = 1,018.80 : x
  2. Step 2: Convert to fraction form
    1,717.56/2,368.44 = 1,018.80/x
  3. Step 3: Cross multiply
    1,717.56x = 2,368.44 × 1,018.80
  4. Step 4: Simplify right side
    1,717.56x = 2,412,966.67
  5. Step 5: Solve for x
    x = 2,412,966.67/1,717.56
  6. Step 6: Final answer
    x = 1,404.88

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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.