Home / 3,256.79-4,495.06-2,123.87

Finding the Fourth Proportional to 3,256.79, 4,495.06 and 2,123.87

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Solution

The fourth proportional to 3,256.79, 4,495.06 and 2,123.87 is: 2,931.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.79 : 4,495.06 = 2,123.87 : x
  2. Step 2: Convert to fraction form
    3,256.79/4,495.06 = 2,123.87/x
  3. Step 3: Cross multiply
    3,256.79x = 4,495.06 × 2,123.87
  4. Step 4: Simplify right side
    3,256.79x = 9,546,923.08
  5. Step 5: Solve for x
    x = 9,546,923.08/3,256.79
  6. Step 6: Final answer
    x = 2,931.39

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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.