Home / 4,123.51-5,690.25-2,355.08

Finding the Fourth Proportional to 4,123.51, 5,690.25 and 2,355.08

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Solution

The fourth proportional to 4,123.51, 5,690.25 and 2,355.08 is: 3,249.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.51 : 5,690.25 = 2,355.08 : x
  2. Step 2: Convert to fraction form
    4,123.51/5,690.25 = 2,355.08/x
  3. Step 3: Cross multiply
    4,123.51x = 5,690.25 × 2,355.08
  4. Step 4: Simplify right side
    4,123.51x = 13,400,965.52
  5. Step 5: Solve for x
    x = 13,400,965.52/4,123.51
  6. Step 6: Final answer
    x = 3,249.89

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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.