Home / 1,500.90-2,072.27-1,343.06

Finding the Fourth Proportional to 1,500.90, 2,072.27 and 1,343.06

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Solution

The fourth proportional to 1,500.90, 2,072.27 and 1,343.06 is: 1,854.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500.90 : 2,072.27 = 1,343.06 : x
  2. Step 2: Convert to fraction form
    1,500.90/2,072.27 = 1,343.06/x
  3. Step 3: Cross multiply
    1,500.90x = 2,072.27 × 1,343.06
  4. Step 4: Simplify right side
    1,500.90x = 2,783,165.87
  5. Step 5: Solve for x
    x = 2,783,165.87/1,500.90
  6. Step 6: Final answer
    x = 1,854.33

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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.