Home / 2,909.40-4,014.92-1,583.10

Finding the Fourth Proportional to 2,909.40, 4,014.92 and 1,583.10

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Solution

The fourth proportional to 2,909.40, 4,014.92 and 1,583.10 is: 2,184.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.40 : 4,014.92 = 1,583.10 : x
  2. Step 2: Convert to fraction form
    2,909.40/4,014.92 = 1,583.10/x
  3. Step 3: Cross multiply
    2,909.40x = 4,014.92 × 1,583.10
  4. Step 4: Simplify right side
    2,909.40x = 6,356,011.94
  5. Step 5: Solve for x
    x = 6,356,011.94/2,909.40
  6. Step 6: Final answer
    x = 2,184.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.