Home / 1,551.48-2,315.67-1,395.96

Finding the Fourth Proportional to 1,551.48, 2,315.67 and 1,395.96

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Solution

The fourth proportional to 1,551.48, 2,315.67 and 1,395.96 is: 2,083.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.48 : 2,315.67 = 1,395.96 : x
  2. Step 2: Convert to fraction form
    1,551.48/2,315.67 = 1,395.96/x
  3. Step 3: Cross multiply
    1,551.48x = 2,315.67 × 1,395.96
  4. Step 4: Simplify right side
    1,551.48x = 3,232,582.69
  5. Step 5: Solve for x
    x = 3,232,582.69/1,551.48
  6. Step 6: Final answer
    x = 2,083.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.