Home / 3,810.42-5,259.40-2,319.18

Finding the Fourth Proportional to 3,810.42, 5,259.40 and 2,319.18

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Solution

The fourth proportional to 3,810.42, 5,259.40 and 2,319.18 is: 3,201.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.42 : 5,259.40 = 2,319.18 : x
  2. Step 2: Convert to fraction form
    3,810.42/5,259.40 = 2,319.18/x
  3. Step 3: Cross multiply
    3,810.42x = 5,259.40 × 2,319.18
  4. Step 4: Simplify right side
    3,810.42x = 12,197,495.29
  5. Step 5: Solve for x
    x = 12,197,495.29/3,810.42
  6. Step 6: Final answer
    x = 3,201.09

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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.