Home / 1,600.90-2,207.64-1,423.30

Finding the Fourth Proportional to 1,600.90, 2,207.64 and 1,423.30

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Solution

The fourth proportional to 1,600.90, 2,207.64 and 1,423.30 is: 1,962.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600.90 : 2,207.64 = 1,423.30 : x
  2. Step 2: Convert to fraction form
    1,600.90/2,207.64 = 1,423.30/x
  3. Step 3: Cross multiply
    1,600.90x = 2,207.64 × 1,423.30
  4. Step 4: Simplify right side
    1,600.90x = 3,142,134.01
  5. Step 5: Solve for x
    x = 3,142,134.01/1,600.90
  6. Step 6: Final answer
    x = 1,962.73

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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.