Home / 2,125.56-2,931.21-1,495.89

Finding the Fourth Proportional to 2,125.56, 2,931.21 and 1,495.89

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Solution

The fourth proportional to 2,125.56, 2,931.21 and 1,495.89 is: 2,062.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.56 : 2,931.21 = 1,495.89 : x
  2. Step 2: Convert to fraction form
    2,125.56/2,931.21 = 1,495.89/x
  3. Step 3: Cross multiply
    2,125.56x = 2,931.21 × 1,495.89
  4. Step 4: Simplify right side
    2,125.56x = 4,384,767.73
  5. Step 5: Solve for x
    x = 4,384,767.73/2,125.56
  6. Step 6: Final answer
    x = 2,062.88

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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.