Home / 4,126.90-5,693.26-2,870.98

Finding the Fourth Proportional to 4,126.90, 5,693.26 and 2,870.98

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Solution

The fourth proportional to 4,126.90, 5,693.26 and 2,870.98 is: 3,960.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.90 : 5,693.26 = 2,870.98 : x
  2. Step 2: Convert to fraction form
    4,126.90/5,693.26 = 2,870.98/x
  3. Step 3: Cross multiply
    4,126.90x = 5,693.26 × 2,870.98
  4. Step 4: Simplify right side
    4,126.90x = 16,345,235.59
  5. Step 5: Solve for x
    x = 16,345,235.59/4,126.90
  6. Step 6: Final answer
    x = 3,960.66

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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.