Home / 1,544.71-2,130.97-1,124.88

Finding the Fourth Proportional to 1,544.71, 2,130.97 and 1,124.88

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Solution

The fourth proportional to 1,544.71, 2,130.97 and 1,124.88 is: 1,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.71 : 2,130.97 = 1,124.88 : x
  2. Step 2: Convert to fraction form
    1,544.71/2,130.97 = 1,124.88/x
  3. Step 3: Cross multiply
    1,544.71x = 2,130.97 × 1,124.88
  4. Step 4: Simplify right side
    1,544.71x = 2,397,085.53
  5. Step 5: Solve for x
    x = 2,397,085.53/1,544.71
  6. Step 6: Final answer
    x = 1,551.80

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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.