Home / 4,129.09-5,702.88-2,719.08

Finding the Fourth Proportional to 4,129.09, 5,702.88 and 2,719.08

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Solution

The fourth proportional to 4,129.09, 5,702.88 and 2,719.08 is: 3,755.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.09 : 5,702.88 = 2,719.08 : x
  2. Step 2: Convert to fraction form
    4,129.09/5,702.88 = 2,719.08/x
  3. Step 3: Cross multiply
    4,129.09x = 5,702.88 × 2,719.08
  4. Step 4: Simplify right side
    4,129.09x = 15,506,608.34
  5. Step 5: Solve for x
    x = 15,506,608.34/4,129.09
  6. Step 6: Final answer
    x = 3,755.45

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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.