Home / 2,510.31-3,461.48-1,872.43

Finding the Fourth Proportional to 2,510.31, 3,461.48 and 1,872.43

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Solution

The fourth proportional to 2,510.31, 3,461.48 and 1,872.43 is: 2,581.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,510.31 : 3,461.48 = 1,872.43 : x
  2. Step 2: Convert to fraction form
    2,510.31/3,461.48 = 1,872.43/x
  3. Step 3: Cross multiply
    2,510.31x = 3,461.48 × 1,872.43
  4. Step 4: Simplify right side
    2,510.31x = 6,481,369.63
  5. Step 5: Solve for x
    x = 6,481,369.63/2,510.31
  6. Step 6: Final answer
    x = 2,581.91

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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.