Home / 2,902.47-4,005.45-1,576.23

Finding the Fourth Proportional to 2,902.47, 4,005.45 and 1,576.23

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Solution

The fourth proportional to 2,902.47, 4,005.45 and 1,576.23 is: 2,175.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.47 : 4,005.45 = 1,576.23 : x
  2. Step 2: Convert to fraction form
    2,902.47/4,005.45 = 1,576.23/x
  3. Step 3: Cross multiply
    2,902.47x = 4,005.45 × 1,576.23
  4. Step 4: Simplify right side
    2,902.47x = 6,313,510.45
  5. Step 5: Solve for x
    x = 6,313,510.45/2,902.47
  6. Step 6: Final answer
    x = 2,175.22

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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.