Home / 2,348.79-3,239.35-2,319.63

Finding the Fourth Proportional to 2,348.79, 3,239.35 and 2,319.63

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Solution

The fourth proportional to 2,348.79, 3,239.35 and 2,319.63 is: 3,199.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.79 : 3,239.35 = 2,319.63 : x
  2. Step 2: Convert to fraction form
    2,348.79/3,239.35 = 2,319.63/x
  3. Step 3: Cross multiply
    2,348.79x = 3,239.35 × 2,319.63
  4. Step 4: Simplify right side
    2,348.79x = 7,514,093.44
  5. Step 5: Solve for x
    x = 7,514,093.44/2,348.79
  6. Step 6: Final answer
    x = 3,199.13

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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.