Home / 3,916.48-5,405.02-2,237.84

Finding the Fourth Proportional to 3,916.48, 5,405.02 and 2,237.84

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Solution

The fourth proportional to 3,916.48, 5,405.02 and 2,237.84 is: 3,088.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.48 : 5,405.02 = 2,237.84 : x
  2. Step 2: Convert to fraction form
    3,916.48/5,405.02 = 2,237.84/x
  3. Step 3: Cross multiply
    3,916.48x = 5,405.02 × 2,237.84
  4. Step 4: Simplify right side
    3,916.48x = 12,095,601.87
  5. Step 5: Solve for x
    x = 12,095,601.87/3,916.48
  6. Step 6: Final answer
    x = 3,088.39

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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.