Home / 1,615.12-2,411.07-1,544.20

Finding the Fourth Proportional to 1,615.12, 2,411.07 and 1,544.20

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Solution

The fourth proportional to 1,615.12, 2,411.07 and 1,544.20 is: 2,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615.12 : 2,411.07 = 1,544.20 : x
  2. Step 2: Convert to fraction form
    1,615.12/2,411.07 = 1,544.20/x
  3. Step 3: Cross multiply
    1,615.12x = 2,411.07 × 1,544.20
  4. Step 4: Simplify right side
    1,615.12x = 3,723,174.29
  5. Step 5: Solve for x
    x = 3,723,174.29/1,615.12
  6. Step 6: Final answer
    x = 2,305.20

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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.