Home / 2,374.44-3,276.72-1,312.17

Finding the Fourth Proportional to 2,374.44, 3,276.72 and 1,312.17

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Solution

The fourth proportional to 2,374.44, 3,276.72 and 1,312.17 is: 1,810.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,374.44 : 3,276.72 = 1,312.17 : x
  2. Step 2: Convert to fraction form
    2,374.44/3,276.72 = 1,312.17/x
  3. Step 3: Cross multiply
    2,374.44x = 3,276.72 × 1,312.17
  4. Step 4: Simplify right side
    2,374.44x = 4,299,613.68
  5. Step 5: Solve for x
    x = 4,299,613.68/2,374.44
  6. Step 6: Final answer
    x = 1,810.79

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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.