Home / 3,938.16-5,903.88-2,088.24

Finding the Fourth Proportional to 3,938.16, 5,903.88 and 2,088.24

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Solution

The fourth proportional to 3,938.16, 5,903.88 and 2,088.24 is: 3,130.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.16 : 5,903.88 = 2,088.24 : x
  2. Step 2: Convert to fraction form
    3,938.16/5,903.88 = 2,088.24/x
  3. Step 3: Cross multiply
    3,938.16x = 5,903.88 × 2,088.24
  4. Step 4: Simplify right side
    3,938.16x = 12,328,718.37
  5. Step 5: Solve for x
    x = 12,328,718.37/3,938.16
  6. Step 6: Final answer
    x = 3,130.58

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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.