Home / 3,290.63-4,541.47-1,874.75

Finding the Fourth Proportional to 3,290.63, 4,541.47 and 1,874.75

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Solution

The fourth proportional to 3,290.63, 4,541.47 and 1,874.75 is: 2,587.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.63 : 4,541.47 = 1,874.75 : x
  2. Step 2: Convert to fraction form
    3,290.63/4,541.47 = 1,874.75/x
  3. Step 3: Cross multiply
    3,290.63x = 4,541.47 × 1,874.75
  4. Step 4: Simplify right side
    3,290.63x = 8,514,093.49
  5. Step 5: Solve for x
    x = 8,514,093.49/3,290.63
  6. Step 6: Final answer
    x = 2,587.38

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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.