Home / 3,225.28-4,459.84-2,560.98

Finding the Fourth Proportional to 3,225.28, 4,459.84 and 2,560.98

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Solution

The fourth proportional to 3,225.28, 4,459.84 and 2,560.98 is: 3,541.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.28 : 4,459.84 = 2,560.98 : x
  2. Step 2: Convert to fraction form
    3,225.28/4,459.84 = 2,560.98/x
  3. Step 3: Cross multiply
    3,225.28x = 4,459.84 × 2,560.98
  4. Step 4: Simplify right side
    3,225.28x = 11,421,561.04
  5. Step 5: Solve for x
    x = 11,421,561.04/3,225.28
  6. Step 6: Final answer
    x = 3,541.26

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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.