Home / 3,875.15-5,810.13-2,002.18

Finding the Fourth Proportional to 3,875.15, 5,810.13 and 2,002.18

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Solution

The fourth proportional to 3,875.15, 5,810.13 and 2,002.18 is: 3,001.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.15 : 5,810.13 = 2,002.18 : x
  2. Step 2: Convert to fraction form
    3,875.15/5,810.13 = 2,002.18/x
  3. Step 3: Cross multiply
    3,875.15x = 5,810.13 × 2,002.18
  4. Step 4: Simplify right side
    3,875.15x = 11,632,911.56
  5. Step 5: Solve for x
    x = 11,632,911.56/3,875.15
  6. Step 6: Final answer
    x = 3,001.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.