Home / 1,420.03-2,137.52-1,295.47

Finding the Fourth Proportional to 1,420.03, 2,137.52 and 1,295.47

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Solution

The fourth proportional to 1,420.03, 2,137.52 and 1,295.47 is: 1,950.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420.03 : 2,137.52 = 1,295.47 : x
  2. Step 2: Convert to fraction form
    1,420.03/2,137.52 = 1,295.47/x
  3. Step 3: Cross multiply
    1,420.03x = 2,137.52 × 1,295.47
  4. Step 4: Simplify right side
    1,420.03x = 2,769,093.03
  5. Step 5: Solve for x
    x = 2,769,093.03/1,420.03
  6. Step 6: Final answer
    x = 1,950.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.