Home / 2,237.47-3,087.01-1,292.92

Finding the Fourth Proportional to 2,237.47, 3,087.01 and 1,292.92

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Solution

The fourth proportional to 2,237.47, 3,087.01 and 1,292.92 is: 1,783.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.47 : 3,087.01 = 1,292.92 : x
  2. Step 2: Convert to fraction form
    2,237.47/3,087.01 = 1,292.92/x
  3. Step 3: Cross multiply
    2,237.47x = 3,087.01 × 1,292.92
  4. Step 4: Simplify right side
    2,237.47x = 3,991,254.50
  5. Step 5: Solve for x
    x = 3,991,254.50/2,237.47
  6. Step 6: Final answer
    x = 1,783.82

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1.5x scale

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.