Home / 2,390.90-3,583.10-1,237.46

Finding the Fourth Proportional to 2,390.90, 3,583.10 and 1,237.46

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Solution

The fourth proportional to 2,390.90, 3,583.10 and 1,237.46 is: 1,854.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.90 : 3,583.10 = 1,237.46 : x
  2. Step 2: Convert to fraction form
    2,390.90/3,583.10 = 1,237.46/x
  3. Step 3: Cross multiply
    2,390.90x = 3,583.10 × 1,237.46
  4. Step 4: Simplify right side
    2,390.90x = 4,433,942.93
  5. Step 5: Solve for x
    x = 4,433,942.93/2,390.90
  6. Step 6: Final answer
    x = 1,854.51

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1.5x scale

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.