Home / 4,070.34-5,618.13-2,578.98

Finding the Fourth Proportional to 4,070.34, 5,618.13 and 2,578.98

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Solution

The fourth proportional to 4,070.34, 5,618.13 and 2,578.98 is: 3,559.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.34 : 5,618.13 = 2,578.98 : x
  2. Step 2: Convert to fraction form
    4,070.34/5,618.13 = 2,578.98/x
  3. Step 3: Cross multiply
    4,070.34x = 5,618.13 × 2,578.98
  4. Step 4: Simplify right side
    4,070.34x = 14,489,044.91
  5. Step 5: Solve for x
    x = 14,489,044.91/4,070.34
  6. Step 6: Final answer
    x = 3,559.66

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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.