Home / 2,285.48-3,151.16-1,864.64

Finding the Fourth Proportional to 2,285.48, 3,151.16 and 1,864.64

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Solution

The fourth proportional to 2,285.48, 3,151.16 and 1,864.64 is: 2,570.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.48 : 3,151.16 = 1,864.64 : x
  2. Step 2: Convert to fraction form
    2,285.48/3,151.16 = 1,864.64/x
  3. Step 3: Cross multiply
    2,285.48x = 3,151.16 × 1,864.64
  4. Step 4: Simplify right side
    2,285.48x = 5,875,778.98
  5. Step 5: Solve for x
    x = 5,875,778.98/2,285.48
  6. Step 6: Final answer
    x = 2,570.92

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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.