Home / 2,862.23-3,946.10-2,064.89

Finding the Fourth Proportional to 2,862.23, 3,946.10 and 2,064.89

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Solution

The fourth proportional to 2,862.23, 3,946.10 and 2,064.89 is: 2,846.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.23 : 3,946.10 = 2,064.89 : x
  2. Step 2: Convert to fraction form
    2,862.23/3,946.10 = 2,064.89/x
  3. Step 3: Cross multiply
    2,862.23x = 3,946.10 × 2,064.89
  4. Step 4: Simplify right side
    2,862.23x = 8,148,247.40
  5. Step 5: Solve for x
    x = 8,148,247.40/2,862.23
  6. Step 6: Final answer
    x = 2,846.82

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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.