Home / 1,426.23-2,125.98-1,269.27

Finding the Fourth Proportional to 1,426.23, 2,125.98 and 1,269.27

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Solution

The fourth proportional to 1,426.23, 2,125.98 and 1,269.27 is: 1,892.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426.23 : 2,125.98 = 1,269.27 : x
  2. Step 2: Convert to fraction form
    1,426.23/2,125.98 = 1,269.27/x
  3. Step 3: Cross multiply
    1,426.23x = 2,125.98 × 1,269.27
  4. Step 4: Simplify right side
    1,426.23x = 2,698,442.63
  5. Step 5: Solve for x
    x = 2,698,442.63/1,426.23
  6. Step 6: Final answer
    x = 1,892.01

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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.