Home / 1,416.98-2,126.28-1,222.58

Finding the Fourth Proportional to 1,416.98, 2,126.28 and 1,222.58

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Solution

The fourth proportional to 1,416.98, 2,126.28 and 1,222.58 is: 1,834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416.98 : 2,126.28 = 1,222.58 : x
  2. Step 2: Convert to fraction form
    1,416.98/2,126.28 = 1,222.58/x
  3. Step 3: Cross multiply
    1,416.98x = 2,126.28 × 1,222.58
  4. Step 4: Simplify right side
    1,416.98x = 2,599,547.40
  5. Step 5: Solve for x
    x = 2,599,547.40/1,416.98
  6. Step 6: Final answer
    x = 1,834.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.