Home / 2,858.52-4,281.06-1,393.08

Finding the Fourth Proportional to 2,858.52, 4,281.06 and 1,393.08

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Solution

The fourth proportional to 2,858.52, 4,281.06 and 1,393.08 is: 2,086.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.52 : 4,281.06 = 1,393.08 : x
  2. Step 2: Convert to fraction form
    2,858.52/4,281.06 = 1,393.08/x
  3. Step 3: Cross multiply
    2,858.52x = 4,281.06 × 1,393.08
  4. Step 4: Simplify right side
    2,858.52x = 5,963,859.06
  5. Step 5: Solve for x
    x = 5,963,859.06/2,858.52
  6. Step 6: Final answer
    x = 2,086.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.