Home / 1,596.15-2,389.20-1,009.12

Finding the Fourth Proportional to 1,596.15, 2,389.20 and 1,009.12

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Solution

The fourth proportional to 1,596.15, 2,389.20 and 1,009.12 is: 1,510.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,596.15 : 2,389.20 = 1,009.12 : x
  2. Step 2: Convert to fraction form
    1,596.15/2,389.20 = 1,009.12/x
  3. Step 3: Cross multiply
    1,596.15x = 2,389.20 × 1,009.12
  4. Step 4: Simplify right side
    1,596.15x = 2,410,989.50
  5. Step 5: Solve for x
    x = 2,410,989.50/1,596.15
  6. Step 6: Final answer
    x = 1,510.50

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1.5x scale

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.