Home / 1,809.12-2,496.51-1,023.21

Finding the Fourth Proportional to 1,809.12, 2,496.51 and 1,023.21

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Solution

The fourth proportional to 1,809.12, 2,496.51 and 1,023.21 is: 1,411.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809.12 : 2,496.51 = 1,023.21 : x
  2. Step 2: Convert to fraction form
    1,809.12/2,496.51 = 1,023.21/x
  3. Step 3: Cross multiply
    1,809.12x = 2,496.51 × 1,023.21
  4. Step 4: Simplify right side
    1,809.12x = 2,554,454.00
  5. Step 5: Solve for x
    x = 2,554,454.00/1,809.12
  6. Step 6: Final answer
    x = 1,411.99

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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.