Home / 2,319.61-3,475.36-1,932.10

Finding the Fourth Proportional to 2,319.61, 3,475.36 and 1,932.10

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Solution

The fourth proportional to 2,319.61, 3,475.36 and 1,932.10 is: 2,894.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.61 : 3,475.36 = 1,932.10 : x
  2. Step 2: Convert to fraction form
    2,319.61/3,475.36 = 1,932.10/x
  3. Step 3: Cross multiply
    2,319.61x = 3,475.36 × 1,932.10
  4. Step 4: Simplify right side
    2,319.61x = 6,714,733.40
  5. Step 5: Solve for x
    x = 6,714,733.40/2,319.61
  6. Step 6: Final answer
    x = 2,894.77

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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.