Home / 4,123.16-5,690.30-2,355.32

Finding the Fourth Proportional to 4,123.16, 5,690.30 and 2,355.32

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Solution

The fourth proportional to 4,123.16, 5,690.30 and 2,355.32 is: 3,250.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.16 : 5,690.30 = 2,355.32 : x
  2. Step 2: Convert to fraction form
    4,123.16/5,690.30 = 2,355.32/x
  3. Step 3: Cross multiply
    4,123.16x = 5,690.30 × 2,355.32
  4. Step 4: Simplify right side
    4,123.16x = 13,402,477.40
  5. Step 5: Solve for x
    x = 13,402,477.40/4,123.16
  6. Step 6: Final answer
    x = 3,250.54

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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.