Home / 1,853.71-2,558.55-1,108.00

Finding the Fourth Proportional to 1,853.71, 2,558.55 and 1,108.00

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Solution

The fourth proportional to 1,853.71, 2,558.55 and 1,108.00 is: 1,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.71 : 2,558.55 = 1,108.00 : x
  2. Step 2: Convert to fraction form
    1,853.71/2,558.55 = 1,108.00/x
  3. Step 3: Cross multiply
    1,853.71x = 2,558.55 × 1,108.00
  4. Step 4: Simplify right side
    1,853.71x = 2,834,880.75
  5. Step 5: Solve for x
    x = 2,834,880.75/1,853.71
  6. Step 6: Final answer
    x = 1,529.30

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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.