Home / 1,608.20-2,417.10-1,579.40

Finding the Fourth Proportional to 1,608.20, 2,417.10 and 1,579.40

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Solution

The fourth proportional to 1,608.20, 2,417.10 and 1,579.40 is: 2,373.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608.20 : 2,417.10 = 1,579.40 : x
  2. Step 2: Convert to fraction form
    1,608.20/2,417.10 = 1,579.40/x
  3. Step 3: Cross multiply
    1,608.20x = 2,417.10 × 1,579.40
  4. Step 4: Simplify right side
    1,608.20x = 3,817,567.74
  5. Step 5: Solve for x
    x = 3,817,567.74/1,608.20
  6. Step 6: Final answer
    x = 2,373.81

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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.