Home / 1,630.65-2,434.04-1,401.02

Finding the Fourth Proportional to 1,630.65, 2,434.04 and 1,401.02

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Solution

The fourth proportional to 1,630.65, 2,434.04 and 1,401.02 is: 2,091.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.65 : 2,434.04 = 1,401.02 : x
  2. Step 2: Convert to fraction form
    1,630.65/2,434.04 = 1,401.02/x
  3. Step 3: Cross multiply
    1,630.65x = 2,434.04 × 1,401.02
  4. Step 4: Simplify right side
    1,630.65x = 3,410,130.05
  5. Step 5: Solve for x
    x = 3,410,130.05/1,630.65
  6. Step 6: Final answer
    x = 2,091.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.