Home / 2,312.03-3,190.55-1,264.07

Finding the Fourth Proportional to 2,312.03, 3,190.55 and 1,264.07

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Solution

The fourth proportional to 2,312.03, 3,190.55 and 1,264.07 is: 1,744.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312.03 : 3,190.55 = 1,264.07 : x
  2. Step 2: Convert to fraction form
    2,312.03/3,190.55 = 1,264.07/x
  3. Step 3: Cross multiply
    2,312.03x = 3,190.55 × 1,264.07
  4. Step 4: Simplify right side
    2,312.03x = 4,033,056.27
  5. Step 5: Solve for x
    x = 4,033,056.27/2,312.03
  6. Step 6: Final answer
    x = 1,744.38

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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.