Home / 1,544.13-2,130.57-1,019.25

Finding the Fourth Proportional to 1,544.13, 2,130.57 and 1,019.25

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Solution

The fourth proportional to 1,544.13, 2,130.57 and 1,019.25 is: 1,406.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.13 : 2,130.57 = 1,019.25 : x
  2. Step 2: Convert to fraction form
    1,544.13/2,130.57 = 1,019.25/x
  3. Step 3: Cross multiply
    1,544.13x = 2,130.57 × 1,019.25
  4. Step 4: Simplify right side
    1,544.13x = 2,171,583.47
  5. Step 5: Solve for x
    x = 2,171,583.47/1,544.13
  6. Step 6: Final answer
    x = 1,406.35

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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.