Home / 3,810.93-5,259.15-2,318.91

Finding the Fourth Proportional to 3,810.93, 5,259.15 and 2,318.91

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Solution

The fourth proportional to 3,810.93, 5,259.15 and 2,318.91 is: 3,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.93 : 5,259.15 = 2,318.91 : x
  2. Step 2: Convert to fraction form
    3,810.93/5,259.15 = 2,318.91/x
  3. Step 3: Cross multiply
    3,810.93x = 5,259.15 × 2,318.91
  4. Step 4: Simplify right side
    3,810.93x = 12,195,483.93
  5. Step 5: Solve for x
    x = 12,195,483.93/3,810.93
  6. Step 6: Final answer
    x = 3,200.13

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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.