Home / 2,478.58-3,717.22-1,017.45

Finding the Fourth Proportional to 2,478.58, 3,717.22 and 1,017.45

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Solution

The fourth proportional to 2,478.58, 3,717.22 and 1,017.45 is: 1,525.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,478.58 : 3,717.22 = 1,017.45 : x
  2. Step 2: Convert to fraction form
    2,478.58/3,717.22 = 1,017.45/x
  3. Step 3: Cross multiply
    2,478.58x = 3,717.22 × 1,017.45
  4. Step 4: Simplify right side
    2,478.58x = 3,782,085.49
  5. Step 5: Solve for x
    x = 3,782,085.49/2,478.58
  6. Step 6: Final answer
    x = 1,525.91

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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.