Home / 2,088.89-3,130.25-1,935.12

Finding the Fourth Proportional to 2,088.89, 3,130.25 and 1,935.12

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Solution

The fourth proportional to 2,088.89, 3,130.25 and 1,935.12 is: 2,899.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.89 : 3,130.25 = 1,935.12 : x
  2. Step 2: Convert to fraction form
    2,088.89/3,130.25 = 1,935.12/x
  3. Step 3: Cross multiply
    2,088.89x = 3,130.25 × 1,935.12
  4. Step 4: Simplify right side
    2,088.89x = 6,057,411.44
  5. Step 5: Solve for x
    x = 6,057,411.44/2,088.89
  6. Step 6: Final answer
    x = 2,899.82

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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.