Home / 2,909.31-4,014.93-1,583.10

Finding the Fourth Proportional to 2,909.31, 4,014.93 and 1,583.10

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Solution

The fourth proportional to 2,909.31, 4,014.93 and 1,583.10 is: 2,184.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.31 : 4,014.93 = 1,583.10 : x
  2. Step 2: Convert to fraction form
    2,909.31/4,014.93 = 1,583.10/x
  3. Step 3: Cross multiply
    2,909.31x = 4,014.93 × 1,583.10
  4. Step 4: Simplify right side
    2,909.31x = 6,356,035.68
  5. Step 5: Solve for x
    x = 6,356,035.68/2,909.31
  6. Step 6: Final answer
    x = 2,184.72

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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.