Home / 1,837.64-2,534.82-1,312.76

Finding the Fourth Proportional to 1,837.64, 2,534.82 and 1,312.76

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Solution

The fourth proportional to 1,837.64, 2,534.82 and 1,312.76 is: 1,810.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.64 : 2,534.82 = 1,312.76 : x
  2. Step 2: Convert to fraction form
    1,837.64/2,534.82 = 1,312.76/x
  3. Step 3: Cross multiply
    1,837.64x = 2,534.82 × 1,312.76
  4. Step 4: Simplify right side
    1,837.64x = 3,327,610.30
  5. Step 5: Solve for x
    x = 3,327,610.30/1,837.64
  6. Step 6: Final answer
    x = 1,810.81

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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.