Home / 2,972.32-4,102.54-1,714.13

Finding the Fourth Proportional to 2,972.32, 4,102.54 and 1,714.13

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Solution

The fourth proportional to 2,972.32, 4,102.54 and 1,714.13 is: 2,365.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.32 : 4,102.54 = 1,714.13 : x
  2. Step 2: Convert to fraction form
    2,972.32/4,102.54 = 1,714.13/x
  3. Step 3: Cross multiply
    2,972.32x = 4,102.54 × 1,714.13
  4. Step 4: Simplify right side
    2,972.32x = 7,032,275.07
  5. Step 5: Solve for x
    x = 7,032,275.07/2,972.32
  6. Step 6: Final answer
    x = 2,365.92

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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.