Home / 1,612.12-2,406.60-1,541.20

Finding the Fourth Proportional to 1,612.12, 2,406.60 and 1,541.20

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Solution

The fourth proportional to 1,612.12, 2,406.60 and 1,541.20 is: 2,300.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.12 : 2,406.60 = 1,541.20 : x
  2. Step 2: Convert to fraction form
    1,612.12/2,406.60 = 1,541.20/x
  3. Step 3: Cross multiply
    1,612.12x = 2,406.60 × 1,541.20
  4. Step 4: Simplify right side
    1,612.12x = 3,709,051.92
  5. Step 5: Solve for x
    x = 3,709,051.92/1,612.12
  6. Step 6: Final answer
    x = 2,300.73

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1.5x scale

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.