Home / 2,148.57-2,963.99-1,352.88

Finding the Fourth Proportional to 2,148.57, 2,963.99 and 1,352.88

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Solution

The fourth proportional to 2,148.57, 2,963.99 and 1,352.88 is: 1,866.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.57 : 2,963.99 = 1,352.88 : x
  2. Step 2: Convert to fraction form
    2,148.57/2,963.99 = 1,352.88/x
  3. Step 3: Cross multiply
    2,148.57x = 2,963.99 × 1,352.88
  4. Step 4: Simplify right side
    2,148.57x = 4,009,926.17
  5. Step 5: Solve for x
    x = 4,009,926.17/2,148.57
  6. Step 6: Final answer
    x = 1,866.32

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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.