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Finding the Fourth Proportional to 1,810.29, 2,714.40 and 835.17

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Solution

The fourth proportional to 1,810.29, 2,714.40 and 835.17 is: 1,252.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810.29 : 2,714.40 = 835.17 : x
  2. Step 2: Convert to fraction form
    1,810.29/2,714.40 = 835.17/x
  3. Step 3: Cross multiply
    1,810.29x = 2,714.40 × 835.17
  4. Step 4: Simplify right side
    1,810.29x = 2,266,985.45
  5. Step 5: Solve for x
    x = 2,266,985.45/1,810.29
  6. Step 6: Final answer
    x = 1,252.28

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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.