Home / 3,011.08-4,521.21-2,862.58

Finding the Fourth Proportional to 3,011.08, 4,521.21 and 2,862.58

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Solution

The fourth proportional to 3,011.08, 4,521.21 and 2,862.58 is: 4,298.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.08 : 4,521.21 = 2,862.58 : x
  2. Step 2: Convert to fraction form
    3,011.08/4,521.21 = 2,862.58/x
  3. Step 3: Cross multiply
    3,011.08x = 4,521.21 × 2,862.58
  4. Step 4: Simplify right side
    3,011.08x = 12,942,303.28
  5. Step 5: Solve for x
    x = 12,942,303.28/3,011.08
  6. Step 6: Final answer
    x = 4,298.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.