Home / 1,395.30-2,093.50-625.26

Finding the Fourth Proportional to 1,395.30, 2,093.50 and 625.26

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Solution

The fourth proportional to 1,395.30, 2,093.50 and 625.26 is: 938.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395.30 : 2,093.50 = 625.26 : x
  2. Step 2: Convert to fraction form
    1,395.30/2,093.50 = 625.26/x
  3. Step 3: Cross multiply
    1,395.30x = 2,093.50 × 625.26
  4. Step 4: Simplify right side
    1,395.30x = 1,308,981.81
  5. Step 5: Solve for x
    x = 1,308,981.81/1,395.30
  6. Step 6: Final answer
    x = 938.14

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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.