Home / 1,055.49-1,583.18-325.03

Finding the Fourth Proportional to 1,055.49, 1,583.18 and 325.03

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Solution

The fourth proportional to 1,055.49, 1,583.18 and 325.03 is: 487.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055.49 : 1,583.18 = 325.03 : x
  2. Step 2: Convert to fraction form
    1,055.49/1,583.18 = 325.03/x
  3. Step 3: Cross multiply
    1,055.49x = 1,583.18 × 325.03
  4. Step 4: Simplify right side
    1,055.49x = 514,581.81
  5. Step 5: Solve for x
    x = 514,581.81/1,055.49
  6. Step 6: Final answer
    x = 487.53

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Double scale
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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.