Home / 4,158.60-5,738.80-2,390.16

Finding the Fourth Proportional to 4,158.60, 5,738.80 and 2,390.16

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Solution

The fourth proportional to 4,158.60, 5,738.80 and 2,390.16 is: 3,298.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158.60 : 5,738.80 = 2,390.16 : x
  2. Step 2: Convert to fraction form
    4,158.60/5,738.80 = 2,390.16/x
  3. Step 3: Cross multiply
    4,158.60x = 5,738.80 × 2,390.16
  4. Step 4: Simplify right side
    4,158.60x = 13,716,650.21
  5. Step 5: Solve for x
    x = 13,716,650.21/4,158.60
  6. Step 6: Final answer
    x = 3,298.38

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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.