Home / 3,123.15-4,686.93-2,303.55

Finding the Fourth Proportional to 3,123.15, 4,686.93 and 2,303.55

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Solution

The fourth proportional to 3,123.15, 4,686.93 and 2,303.55 is: 3,456.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.15 : 4,686.93 = 2,303.55 : x
  2. Step 2: Convert to fraction form
    3,123.15/4,686.93 = 2,303.55/x
  3. Step 3: Cross multiply
    3,123.15x = 4,686.93 × 2,303.55
  4. Step 4: Simplify right side
    3,123.15x = 10,796,577.60
  5. Step 5: Solve for x
    x = 10,796,577.60/3,123.15
  6. Step 6: Final answer
    x = 3,456.95

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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.