Home / 2,328.31-3,482.70-2,153.35

Finding the Fourth Proportional to 2,328.31, 3,482.70 and 2,153.35

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Solution

The fourth proportional to 2,328.31, 3,482.70 and 2,153.35 is: 3,220.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.31 : 3,482.70 = 2,153.35 : x
  2. Step 2: Convert to fraction form
    2,328.31/3,482.70 = 2,153.35/x
  3. Step 3: Cross multiply
    2,328.31x = 3,482.70 × 2,153.35
  4. Step 4: Simplify right side
    2,328.31x = 7,499,472.05
  5. Step 5: Solve for x
    x = 7,499,472.05/2,328.31
  6. Step 6: Final answer
    x = 3,220.99

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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.