Home / 1,541.18-2,126.04-1,043.84

Finding the Fourth Proportional to 1,541.18, 2,126.04 and 1,043.84

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Solution

The fourth proportional to 1,541.18, 2,126.04 and 1,043.84 is: 1,439.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541.18 : 2,126.04 = 1,043.84 : x
  2. Step 2: Convert to fraction form
    1,541.18/2,126.04 = 1,043.84/x
  3. Step 3: Cross multiply
    1,541.18x = 2,126.04 × 1,043.84
  4. Step 4: Simplify right side
    1,541.18x = 2,219,245.59
  5. Step 5: Solve for x
    x = 2,219,245.59/1,541.18
  6. Step 6: Final answer
    x = 1,439.97

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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.