Home / 3,368.07-4,647.98-1,876.08

Finding the Fourth Proportional to 3,368.07, 4,647.98 and 1,876.08

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Solution

The fourth proportional to 3,368.07, 4,647.98 and 1,876.08 is: 2,589.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.07 : 4,647.98 = 1,876.08 : x
  2. Step 2: Convert to fraction form
    3,368.07/4,647.98 = 1,876.08/x
  3. Step 3: Cross multiply
    3,368.07x = 4,647.98 × 1,876.08
  4. Step 4: Simplify right side
    3,368.07x = 8,719,982.32
  5. Step 5: Solve for x
    x = 8,719,982.32/3,368.07
  6. Step 6: Final answer
    x = 2,589.01

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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.