Home / 2,130.16-3,176.46-1,982.24

Finding the Fourth Proportional to 2,130.16, 3,176.46 and 1,982.24

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Solution

The fourth proportional to 2,130.16, 3,176.46 and 1,982.24 is: 2,955.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130.16 : 3,176.46 = 1,982.24 : x
  2. Step 2: Convert to fraction form
    2,130.16/3,176.46 = 1,982.24/x
  3. Step 3: Cross multiply
    2,130.16x = 3,176.46 × 1,982.24
  4. Step 4: Simplify right side
    2,130.16x = 6,296,506.07
  5. Step 5: Solve for x
    x = 6,296,506.07/2,130.16
  6. Step 6: Final answer
    x = 2,955.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.