Home / 1,529.03-2,290.59-913.22

Finding the Fourth Proportional to 1,529.03, 2,290.59 and 913.22

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Solution

The fourth proportional to 1,529.03, 2,290.59 and 913.22 is: 1,368.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.03 : 2,290.59 = 913.22 : x
  2. Step 2: Convert to fraction form
    1,529.03/2,290.59 = 913.22/x
  3. Step 3: Cross multiply
    1,529.03x = 2,290.59 × 913.22
  4. Step 4: Simplify right side
    1,529.03x = 2,091,818.33
  5. Step 5: Solve for x
    x = 2,091,818.33/1,529.03
  6. Step 6: Final answer
    x = 1,368.07

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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.