Home / 1,744.02-2,409.18-1,392.20

Finding the Fourth Proportional to 1,744.02, 2,409.18 and 1,392.20

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Solution

The fourth proportional to 1,744.02, 2,409.18 and 1,392.20 is: 1,923.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,744.02 : 2,409.18 = 1,392.20 : x
  2. Step 2: Convert to fraction form
    1,744.02/2,409.18 = 1,392.20/x
  3. Step 3: Cross multiply
    1,744.02x = 2,409.18 × 1,392.20
  4. Step 4: Simplify right side
    1,744.02x = 3,354,060.40
  5. Step 5: Solve for x
    x = 3,354,060.40/1,744.02
  6. Step 6: Final answer
    x = 1,923.18

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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.