Home / 2,357.10-3,534.84-1,125.90

Finding the Fourth Proportional to 2,357.10, 3,534.84 and 1,125.90

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Solution

The fourth proportional to 2,357.10, 3,534.84 and 1,125.90 is: 1,688.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,357.10 : 3,534.84 = 1,125.90 : x
  2. Step 2: Convert to fraction form
    2,357.10/3,534.84 = 1,125.90/x
  3. Step 3: Cross multiply
    2,357.10x = 3,534.84 × 1,125.90
  4. Step 4: Simplify right side
    2,357.10x = 3,979,876.36
  5. Step 5: Solve for x
    x = 3,979,876.36/2,357.10
  6. Step 6: Final answer
    x = 1,688.46

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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.