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Finding the Fourth Proportional to 1,598.60, 2,383.78 and 1,404.40

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Solution

The fourth proportional to 1,598.60, 2,383.78 and 1,404.40 is: 2,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.60 : 2,383.78 = 1,404.40 : x
  2. Step 2: Convert to fraction form
    1,598.60/2,383.78 = 1,404.40/x
  3. Step 3: Cross multiply
    1,598.60x = 2,383.78 × 1,404.40
  4. Step 4: Simplify right side
    1,598.60x = 3,347,780.63
  5. Step 5: Solve for x
    x = 3,347,780.63/1,598.60
  6. Step 6: Final answer
    x = 2,094.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.