Home / 4,123.56-5,690.55-2,355.13

Finding the Fourth Proportional to 4,123.56, 5,690.55 and 2,355.13

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Solution

The fourth proportional to 4,123.56, 5,690.55 and 2,355.13 is: 3,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.56 : 5,690.55 = 2,355.13 : x
  2. Step 2: Convert to fraction form
    4,123.56/5,690.55 = 2,355.13/x
  3. Step 3: Cross multiply
    4,123.56x = 5,690.55 × 2,355.13
  4. Step 4: Simplify right side
    4,123.56x = 13,401,985.02
  5. Step 5: Solve for x
    x = 13,401,985.02/4,123.56
  6. Step 6: Final answer
    x = 3,250.10

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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.