Home / 1,714.25-2,569.43-1,129.19

Finding the Fourth Proportional to 1,714.25, 2,569.43 and 1,129.19

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Solution

The fourth proportional to 1,714.25, 2,569.43 and 1,129.19 is: 1,692.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,714.25 : 2,569.43 = 1,129.19 : x
  2. Step 2: Convert to fraction form
    1,714.25/2,569.43 = 1,129.19/x
  3. Step 3: Cross multiply
    1,714.25x = 2,569.43 × 1,129.19
  4. Step 4: Simplify right side
    1,714.25x = 2,901,364.64
  5. Step 5: Solve for x
    x = 2,901,364.64/1,714.25
  6. Step 6: Final answer
    x = 1,692.50

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1.5x scale

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.