Home / 3,210.24-4,815.42-1,130.25

Finding the Fourth Proportional to 3,210.24, 4,815.42 and 1,130.25

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Solution

The fourth proportional to 3,210.24, 4,815.42 and 1,130.25 is: 1,695.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.24 : 4,815.42 = 1,130.25 : x
  2. Step 2: Convert to fraction form
    3,210.24/4,815.42 = 1,130.25/x
  3. Step 3: Cross multiply
    3,210.24x = 4,815.42 × 1,130.25
  4. Step 4: Simplify right side
    3,210.24x = 5,442,628.46
  5. Step 5: Solve for x
    x = 5,442,628.46/3,210.24
  6. Step 6: Final answer
    x = 1,695.40

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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.