Home / 2,325.12-3,486.60-864.24

Finding the Fourth Proportional to 2,325.12, 3,486.60 and 864.24

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Solution

The fourth proportional to 2,325.12, 3,486.60 and 864.24 is: 1,295.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.12 : 3,486.60 = 864.24 : x
  2. Step 2: Convert to fraction form
    2,325.12/3,486.60 = 864.24/x
  3. Step 3: Cross multiply
    2,325.12x = 3,486.60 × 864.24
  4. Step 4: Simplify right side
    2,325.12x = 3,013,259.18
  5. Step 5: Solve for x
    x = 3,013,259.18/2,325.12
  6. Step 6: Final answer
    x = 1,295.96

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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.