Home / 3,125.98-4,309.23-2,461.51

Finding the Fourth Proportional to 3,125.98, 4,309.23 and 2,461.51

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Solution

The fourth proportional to 3,125.98, 4,309.23 and 2,461.51 is: 3,393.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.98 : 4,309.23 = 2,461.51 : x
  2. Step 2: Convert to fraction form
    3,125.98/4,309.23 = 2,461.51/x
  3. Step 3: Cross multiply
    3,125.98x = 4,309.23 × 2,461.51
  4. Step 4: Simplify right side
    3,125.98x = 10,607,212.74
  5. Step 5: Solve for x
    x = 10,607,212.74/3,125.98
  6. Step 6: Final answer
    x = 3,393.24

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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.