Home / 1,895.55-2,615.97-1,265.67

Finding the Fourth Proportional to 1,895.55, 2,615.97 and 1,265.67

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Solution

The fourth proportional to 1,895.55, 2,615.97 and 1,265.67 is: 1,746.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.55 : 2,615.97 = 1,265.67 : x
  2. Step 2: Convert to fraction form
    1,895.55/2,615.97 = 1,265.67/x
  3. Step 3: Cross multiply
    1,895.55x = 2,615.97 × 1,265.67
  4. Step 4: Simplify right side
    1,895.55x = 3,310,954.75
  5. Step 5: Solve for x
    x = 3,310,954.75/1,895.55
  6. Step 6: Final answer
    x = 1,746.70

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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.