Home / 1,651.08-2,478.56-1,304.67

Finding the Fourth Proportional to 1,651.08, 2,478.56 and 1,304.67

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Solution

The fourth proportional to 1,651.08, 2,478.56 and 1,304.67 is: 1,958.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.08 : 2,478.56 = 1,304.67 : x
  2. Step 2: Convert to fraction form
    1,651.08/2,478.56 = 1,304.67/x
  3. Step 3: Cross multiply
    1,651.08x = 2,478.56 × 1,304.67
  4. Step 4: Simplify right side
    1,651.08x = 3,233,696.35
  5. Step 5: Solve for x
    x = 3,233,696.35/1,651.08
  6. Step 6: Final answer
    x = 1,958.53

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1.5x scale

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.