Home / 2,885.51-4,329.09-2,389.57

Finding the Fourth Proportional to 2,885.51, 4,329.09 and 2,389.57

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Solution

The fourth proportional to 2,885.51, 4,329.09 and 2,389.57 is: 3,585.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.51 : 4,329.09 = 2,389.57 : x
  2. Step 2: Convert to fraction form
    2,885.51/4,329.09 = 2,389.57/x
  3. Step 3: Cross multiply
    2,885.51x = 4,329.09 × 2,389.57
  4. Step 4: Simplify right side
    2,885.51x = 10,344,652.77
  5. Step 5: Solve for x
    x = 10,344,652.77/2,885.51
  6. Step 6: Final answer
    x = 3,585.03

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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.