Home / 1,461.93-2,190.26-803.09

Finding the Fourth Proportional to 1,461.93, 2,190.26 and 803.09

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Solution

The fourth proportional to 1,461.93, 2,190.26 and 803.09 is: 1,203.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.93 : 2,190.26 = 803.09 : x
  2. Step 2: Convert to fraction form
    1,461.93/2,190.26 = 803.09/x
  3. Step 3: Cross multiply
    1,461.93x = 2,190.26 × 803.09
  4. Step 4: Simplify right side
    1,461.93x = 1,758,971.89
  5. Step 5: Solve for x
    x = 1,758,971.89/1,461.93
  6. Step 6: Final answer
    x = 1,203.18

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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.