Home / 2,355.30-3,533.66-2,123.10

Finding the Fourth Proportional to 2,355.30, 3,533.66 and 2,123.10

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Solution

The fourth proportional to 2,355.30, 3,533.66 and 2,123.10 is: 3,185.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.30 : 3,533.66 = 2,123.10 : x
  2. Step 2: Convert to fraction form
    2,355.30/3,533.66 = 2,123.10/x
  3. Step 3: Cross multiply
    2,355.30x = 3,533.66 × 2,123.10
  4. Step 4: Simplify right side
    2,355.30x = 7,502,302.93
  5. Step 5: Solve for x
    x = 7,502,302.93/2,355.30
  6. Step 6: Final answer
    x = 3,185.29

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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.