Home / 1,747.07-2,409.65-1,267.84

Finding the Fourth Proportional to 1,747.07, 2,409.65 and 1,267.84

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Solution

The fourth proportional to 1,747.07, 2,409.65 and 1,267.84 is: 1,748.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.07 : 2,409.65 = 1,267.84 : x
  2. Step 2: Convert to fraction form
    1,747.07/2,409.65 = 1,267.84/x
  3. Step 3: Cross multiply
    1,747.07x = 2,409.65 × 1,267.84
  4. Step 4: Simplify right side
    1,747.07x = 3,055,045.66
  5. Step 5: Solve for x
    x = 3,055,045.66/1,747.07
  6. Step 6: Final answer
    x = 1,748.67

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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.