Home / 2,902.13-4,004.62-1,642.98

Finding the Fourth Proportional to 2,902.13, 4,004.62 and 1,642.98

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Solution

The fourth proportional to 2,902.13, 4,004.62 and 1,642.98 is: 2,267.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.13 : 4,004.62 = 1,642.98 : x
  2. Step 2: Convert to fraction form
    2,902.13/4,004.62 = 1,642.98/x
  3. Step 3: Cross multiply
    2,902.13x = 4,004.62 × 1,642.98
  4. Step 4: Simplify right side
    2,902.13x = 6,579,510.57
  5. Step 5: Solve for x
    x = 6,579,510.57/2,902.13
  6. Step 6: Final answer
    x = 2,267.13

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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.