Home / 3,235.10-4,464.16-1,818.40

Finding the Fourth Proportional to 3,235.10, 4,464.16 and 1,818.40

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Solution

The fourth proportional to 3,235.10, 4,464.16 and 1,818.40 is: 2,509.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.10 : 4,464.16 = 1,818.40 : x
  2. Step 2: Convert to fraction form
    3,235.10/4,464.16 = 1,818.40/x
  3. Step 3: Cross multiply
    3,235.10x = 4,464.16 × 1,818.40
  4. Step 4: Simplify right side
    3,235.10x = 8,117,628.54
  5. Step 5: Solve for x
    x = 8,117,628.54/3,235.10
  6. Step 6: Final answer
    x = 2,509.24

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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.