Home / 1,503.08-2,243.63-1,394.67

Finding the Fourth Proportional to 1,503.08, 2,243.63 and 1,394.67

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Solution

The fourth proportional to 1,503.08, 2,243.63 and 1,394.67 is: 2,081.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503.08 : 2,243.63 = 1,394.67 : x
  2. Step 2: Convert to fraction form
    1,503.08/2,243.63 = 1,394.67/x
  3. Step 3: Cross multiply
    1,503.08x = 2,243.63 × 1,394.67
  4. Step 4: Simplify right side
    1,503.08x = 3,129,116.48
  5. Step 5: Solve for x
    x = 3,129,116.48/1,503.08
  6. Step 6: Final answer
    x = 2,081.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.