Home / 1,975.18-2,956.34-1,454.98

Finding the Fourth Proportional to 1,975.18, 2,956.34 and 1,454.98

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Solution

The fourth proportional to 1,975.18, 2,956.34 and 1,454.98 is: 2,177.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.18 : 2,956.34 = 1,454.98 : x
  2. Step 2: Convert to fraction form
    1,975.18/2,956.34 = 1,454.98/x
  3. Step 3: Cross multiply
    1,975.18x = 2,956.34 × 1,454.98
  4. Step 4: Simplify right side
    1,975.18x = 4,301,393.52
  5. Step 5: Solve for x
    x = 4,301,393.52/1,975.18
  6. Step 6: Final answer
    x = 2,177.72

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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.