Home / 2,864.34-3,952.53-1,816.20

Finding the Fourth Proportional to 2,864.34, 3,952.53 and 1,816.20

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Solution

The fourth proportional to 2,864.34, 3,952.53 and 1,816.20 is: 2,506.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.34 : 3,952.53 = 1,816.20 : x
  2. Step 2: Convert to fraction form
    2,864.34/3,952.53 = 1,816.20/x
  3. Step 3: Cross multiply
    2,864.34x = 3,952.53 × 1,816.20
  4. Step 4: Simplify right side
    2,864.34x = 7,178,584.99
  5. Step 5: Solve for x
    x = 7,178,584.99/2,864.34
  6. Step 6: Final answer
    x = 2,506.19

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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.