Home / 4,338.40-5,986.96-2,570.88

Finding the Fourth Proportional to 4,338.40, 5,986.96 and 2,570.88

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Solution

The fourth proportional to 4,338.40, 5,986.96 and 2,570.88 is: 3,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,338.40 : 5,986.96 = 2,570.88 : x
  2. Step 2: Convert to fraction form
    4,338.40/5,986.96 = 2,570.88/x
  3. Step 3: Cross multiply
    4,338.40x = 5,986.96 × 2,570.88
  4. Step 4: Simplify right side
    4,338.40x = 15,391,755.72
  5. Step 5: Solve for x
    x = 15,391,755.72/4,338.40
  6. Step 6: Final answer
    x = 3,547.80

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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.