Home / 1,979.60-2,966.27-1,607.59

Finding the Fourth Proportional to 1,979.60, 2,966.27 and 1,607.59

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Solution

The fourth proportional to 1,979.60, 2,966.27 and 1,607.59 is: 2,408.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979.60 : 2,966.27 = 1,607.59 : x
  2. Step 2: Convert to fraction form
    1,979.60/2,966.27 = 1,607.59/x
  3. Step 3: Cross multiply
    1,979.60x = 2,966.27 × 1,607.59
  4. Step 4: Simplify right side
    1,979.60x = 4,768,551.42
  5. Step 5: Solve for x
    x = 4,768,551.42/1,979.60
  6. Step 6: Final answer
    x = 2,408.85

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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.