Home / 2,068.76-2,854.60-1,184.40

Finding the Fourth Proportional to 2,068.76, 2,854.60 and 1,184.40

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Solution

The fourth proportional to 2,068.76, 2,854.60 and 1,184.40 is: 1,634.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.76 : 2,854.60 = 1,184.40 : x
  2. Step 2: Convert to fraction form
    2,068.76/2,854.60 = 1,184.40/x
  3. Step 3: Cross multiply
    2,068.76x = 2,854.60 × 1,184.40
  4. Step 4: Simplify right side
    2,068.76x = 3,380,988.24
  5. Step 5: Solve for x
    x = 3,380,988.24/2,068.76
  6. Step 6: Final answer
    x = 1,634.31

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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.