Home / 1,937.74-2,672.59-1,307.26

Finding the Fourth Proportional to 1,937.74, 2,672.59 and 1,307.26

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Solution

The fourth proportional to 1,937.74, 2,672.59 and 1,307.26 is: 1,803.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.74 : 2,672.59 = 1,307.26 : x
  2. Step 2: Convert to fraction form
    1,937.74/2,672.59 = 1,307.26/x
  3. Step 3: Cross multiply
    1,937.74x = 2,672.59 × 1,307.26
  4. Step 4: Simplify right side
    1,937.74x = 3,493,770.00
  5. Step 5: Solve for x
    x = 3,493,770.00/1,937.74
  6. Step 6: Final answer
    x = 1,803.01

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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.