Home / 4,331.60-6,486.40-2,381.60

Finding the Fourth Proportional to 4,331.60, 6,486.40 and 2,381.60

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Solution

The fourth proportional to 4,331.60, 6,486.40 and 2,381.60 is: 3,566.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,331.60 : 6,486.40 = 2,381.60 : x
  2. Step 2: Convert to fraction form
    4,331.60/6,486.40 = 2,381.60/x
  3. Step 3: Cross multiply
    4,331.60x = 6,486.40 × 2,381.60
  4. Step 4: Simplify right side
    4,331.60x = 15,448,010.24
  5. Step 5: Solve for x
    x = 15,448,010.24/4,331.60
  6. Step 6: Final answer
    x = 3,566.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.