Home / 3,131.46-4,303.53-2,570.94

Finding the Fourth Proportional to 3,131.46, 4,303.53 and 2,570.94

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Solution

The fourth proportional to 3,131.46, 4,303.53 and 2,570.94 is: 3,533.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.46 : 4,303.53 = 2,570.94 : x
  2. Step 2: Convert to fraction form
    3,131.46/4,303.53 = 2,570.94/x
  3. Step 3: Cross multiply
    3,131.46x = 4,303.53 × 2,570.94
  4. Step 4: Simplify right side
    3,131.46x = 11,064,117.42
  5. Step 5: Solve for x
    x = 11,064,117.42/3,131.46
  6. Step 6: Final answer
    x = 3,533.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.