Home / 1,749.84-2,415.54-1,330.26

Finding the Fourth Proportional to 1,749.84, 2,415.54 and 1,330.26

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Solution

The fourth proportional to 1,749.84, 2,415.54 and 1,330.26 is: 1,836.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.84 : 2,415.54 = 1,330.26 : x
  2. Step 2: Convert to fraction form
    1,749.84/2,415.54 = 1,330.26/x
  3. Step 3: Cross multiply
    1,749.84x = 2,415.54 × 1,330.26
  4. Step 4: Simplify right side
    1,749.84x = 3,213,296.24
  5. Step 5: Solve for x
    x = 3,213,296.24/1,749.84
  6. Step 6: Final answer
    x = 1,836.34

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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.