Home / 4,255.13-5,872.79-2,486.40

Finding the Fourth Proportional to 4,255.13, 5,872.79 and 2,486.40

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Solution

The fourth proportional to 4,255.13, 5,872.79 and 2,486.40 is: 3,431.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.13 : 5,872.79 = 2,486.40 : x
  2. Step 2: Convert to fraction form
    4,255.13/5,872.79 = 2,486.40/x
  3. Step 3: Cross multiply
    4,255.13x = 5,872.79 × 2,486.40
  4. Step 4: Simplify right side
    4,255.13x = 14,602,075.26
  5. Step 5: Solve for x
    x = 14,602,075.26/4,255.13
  6. Step 6: Final answer
    x = 3,431.64

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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.