Home / 1,601.30-2,210.21-1,043.30

Finding the Fourth Proportional to 1,601.30, 2,210.21 and 1,043.30

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Solution

The fourth proportional to 1,601.30, 2,210.21 and 1,043.30 is: 1,440.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.30 : 2,210.21 = 1,043.30 : x
  2. Step 2: Convert to fraction form
    1,601.30/2,210.21 = 1,043.30/x
  3. Step 3: Cross multiply
    1,601.30x = 2,210.21 × 1,043.30
  4. Step 4: Simplify right side
    1,601.30x = 2,305,895.83
  5. Step 5: Solve for x
    x = 2,305,895.83/1,601.30
  6. Step 6: Final answer
    x = 1,440.02

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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.