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Finding the Fourth Proportional to 1,800.64, 2,697.04 and 874.25

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Solution

The fourth proportional to 1,800.64, 2,697.04 and 874.25 is: 1,309.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800.64 : 2,697.04 = 874.25 : x
  2. Step 2: Convert to fraction form
    1,800.64/2,697.04 = 874.25/x
  3. Step 3: Cross multiply
    1,800.64x = 2,697.04 × 874.25
  4. Step 4: Simplify right side
    1,800.64x = 2,357,869.36
  5. Step 5: Solve for x
    x = 2,357,869.36/1,800.64
  6. Step 6: Final answer
    x = 1,309.47

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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.