Home / 2,529.61-3,490.62-1,866.83

Finding the Fourth Proportional to 2,529.61, 3,490.62 and 1,866.83

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Solution

The fourth proportional to 2,529.61, 3,490.62 and 1,866.83 is: 2,576.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.61 : 3,490.62 = 1,866.83 : x
  2. Step 2: Convert to fraction form
    2,529.61/3,490.62 = 1,866.83/x
  3. Step 3: Cross multiply
    2,529.61x = 3,490.62 × 1,866.83
  4. Step 4: Simplify right side
    2,529.61x = 6,516,394.13
  5. Step 5: Solve for x
    x = 6,516,394.13/2,529.61
  6. Step 6: Final answer
    x = 2,576.05

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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.