Home / 4,123.47-5,690.34-2,355.51

Finding the Fourth Proportional to 4,123.47, 5,690.34 and 2,355.51

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Solution

The fourth proportional to 4,123.47, 5,690.34 and 2,355.51 is: 3,250.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.47 : 5,690.34 = 2,355.51 : x
  2. Step 2: Convert to fraction form
    4,123.47/5,690.34 = 2,355.51/x
  3. Step 3: Cross multiply
    4,123.47x = 5,690.34 × 2,355.51
  4. Step 4: Simplify right side
    4,123.47x = 13,403,652.77
  5. Step 5: Solve for x
    x = 13,403,652.77/4,123.47
  6. Step 6: Final answer
    x = 3,250.58

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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.