Home / 1,553.19-2,325.64-1,307.15

Finding the Fourth Proportional to 1,553.19, 2,325.64 and 1,307.15

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Solution

The fourth proportional to 1,553.19, 2,325.64 and 1,307.15 is: 1,957.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553.19 : 2,325.64 = 1,307.15 : x
  2. Step 2: Convert to fraction form
    1,553.19/2,325.64 = 1,307.15/x
  3. Step 3: Cross multiply
    1,553.19x = 2,325.64 × 1,307.15
  4. Step 4: Simplify right side
    1,553.19x = 3,039,960.33
  5. Step 5: Solve for x
    x = 3,039,960.33/1,553.19
  6. Step 6: Final answer
    x = 1,957.24

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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.