Home / 1,550.36-2,140.88-1,156.70

Finding the Fourth Proportional to 1,550.36, 2,140.88 and 1,156.70

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Solution

The fourth proportional to 1,550.36, 2,140.88 and 1,156.70 is: 1,597.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550.36 : 2,140.88 = 1,156.70 : x
  2. Step 2: Convert to fraction form
    1,550.36/2,140.88 = 1,156.70/x
  3. Step 3: Cross multiply
    1,550.36x = 2,140.88 × 1,156.70
  4. Step 4: Simplify right side
    1,550.36x = 2,476,339.41
  5. Step 5: Solve for x
    x = 2,476,339.41/1,550.36
  6. Step 6: Final answer
    x = 1,597.27

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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.