Home / 2,088.40-3,133.20-1,047.14

Finding the Fourth Proportional to 2,088.40, 3,133.20 and 1,047.14

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Solution

The fourth proportional to 2,088.40, 3,133.20 and 1,047.14 is: 1,571.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.40 : 3,133.20 = 1,047.14 : x
  2. Step 2: Convert to fraction form
    2,088.40/3,133.20 = 1,047.14/x
  3. Step 3: Cross multiply
    2,088.40x = 3,133.20 × 1,047.14
  4. Step 4: Simplify right side
    2,088.40x = 3,280,899.05
  5. Step 5: Solve for x
    x = 3,280,899.05/2,088.40
  6. Step 6: Final answer
    x = 1,571.01

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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.