Home / 1,889.48-2,607.75-1,574.30

Finding the Fourth Proportional to 1,889.48, 2,607.75 and 1,574.30

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Solution

The fourth proportional to 1,889.48, 2,607.75 and 1,574.30 is: 2,172.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889.48 : 2,607.75 = 1,574.30 : x
  2. Step 2: Convert to fraction form
    1,889.48/2,607.75 = 1,574.30/x
  3. Step 3: Cross multiply
    1,889.48x = 2,607.75 × 1,574.30
  4. Step 4: Simplify right side
    1,889.48x = 4,105,367.79
  5. Step 5: Solve for x
    x = 4,105,367.79/1,889.48
  6. Step 6: Final answer
    x = 2,172.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.