Home / 2,148.39-2,963.72-1,352.70

Finding the Fourth Proportional to 2,148.39, 2,963.72 and 1,352.70

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Solution

The fourth proportional to 2,148.39, 2,963.72 and 1,352.70 is: 1,866.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.39 : 2,963.72 = 1,352.70 : x
  2. Step 2: Convert to fraction form
    2,148.39/2,963.72 = 1,352.70/x
  3. Step 3: Cross multiply
    2,148.39x = 2,963.72 × 1,352.70
  4. Step 4: Simplify right side
    2,148.39x = 4,009,017.28
  5. Step 5: Solve for x
    x = 4,009,017.28/2,148.39
  6. Step 6: Final answer
    x = 1,866.06

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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.