Home / 1,722.04-2,582.38-625.81

Finding the Fourth Proportional to 1,722.04, 2,582.38 and 625.81

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Solution

The fourth proportional to 1,722.04, 2,582.38 and 625.81 is: 938.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.04 : 2,582.38 = 625.81 : x
  2. Step 2: Convert to fraction form
    1,722.04/2,582.38 = 625.81/x
  3. Step 3: Cross multiply
    1,722.04x = 2,582.38 × 625.81
  4. Step 4: Simplify right side
    1,722.04x = 1,616,071.21
  5. Step 5: Solve for x
    x = 1,616,071.21/1,722.04
  6. Step 6: Final answer
    x = 938.46

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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.