Home / 2,412.03-3,617.85-1,113.50

Finding the Fourth Proportional to 2,412.03, 3,617.85 and 1,113.50

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Solution

The fourth proportional to 2,412.03, 3,617.85 and 1,113.50 is: 1,670.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.03 : 3,617.85 = 1,113.50 : x
  2. Step 2: Convert to fraction form
    2,412.03/3,617.85 = 1,113.50/x
  3. Step 3: Cross multiply
    2,412.03x = 3,617.85 × 1,113.50
  4. Step 4: Simplify right side
    2,412.03x = 4,028,475.98
  5. Step 5: Solve for x
    x = 4,028,475.98/2,412.03
  6. Step 6: Final answer
    x = 1,670.16

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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.