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Finding the Fourth Proportional to 1,714.58, 2,367.45 and 1,340.90

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Solution

The fourth proportional to 1,714.58, 2,367.45 and 1,340.90 is: 1,851.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,714.58 : 2,367.45 = 1,340.90 : x
  2. Step 2: Convert to fraction form
    1,714.58/2,367.45 = 1,340.90/x
  3. Step 3: Cross multiply
    1,714.58x = 2,367.45 × 1,340.90
  4. Step 4: Simplify right side
    1,714.58x = 3,174,513.71
  5. Step 5: Solve for x
    x = 3,174,513.71/1,714.58
  6. Step 6: Final answer
    x = 1,851.48

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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.