Home / 2,812.10-4,218.24-1,056.93

Finding the Fourth Proportional to 2,812.10, 4,218.24 and 1,056.93

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Solution

The fourth proportional to 2,812.10, 4,218.24 and 1,056.93 is: 1,585.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812.10 : 4,218.24 = 1,056.93 : x
  2. Step 2: Convert to fraction form
    2,812.10/4,218.24 = 1,056.93/x
  3. Step 3: Cross multiply
    2,812.10x = 4,218.24 × 1,056.93
  4. Step 4: Simplify right side
    2,812.10x = 4,458,384.40
  5. Step 5: Solve for x
    x = 4,458,384.40/2,812.10
  6. Step 6: Final answer
    x = 1,585.43

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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.