Home / 1,501.40-2,246.70-1,371.80

Finding the Fourth Proportional to 1,501.40, 2,246.70 and 1,371.80

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Solution

The fourth proportional to 1,501.40, 2,246.70 and 1,371.80 is: 2,052.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501.40 : 2,246.70 = 1,371.80 : x
  2. Step 2: Convert to fraction form
    1,501.40/2,246.70 = 1,371.80/x
  3. Step 3: Cross multiply
    1,501.40x = 2,246.70 × 1,371.80
  4. Step 4: Simplify right side
    1,501.40x = 3,082,023.06
  5. Step 5: Solve for x
    x = 3,082,023.06/1,501.40
  6. Step 6: Final answer
    x = 2,052.77

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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.