Home / 1,504.23-2,257.20-810.89

Finding the Fourth Proportional to 1,504.23, 2,257.20 and 810.89

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Solution

The fourth proportional to 1,504.23, 2,257.20 and 810.89 is: 1,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.23 : 2,257.20 = 810.89 : x
  2. Step 2: Convert to fraction form
    1,504.23/2,257.20 = 810.89/x
  3. Step 3: Cross multiply
    1,504.23x = 2,257.20 × 810.89
  4. Step 4: Simplify right side
    1,504.23x = 1,830,340.91
  5. Step 5: Solve for x
    x = 1,830,340.91/1,504.23
  6. Step 6: Final answer
    x = 1,216.80

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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.