Home / 2,707.85-3,737.06-1,529.13

Finding the Fourth Proportional to 2,707.85, 3,737.06 and 1,529.13

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Solution

The fourth proportional to 2,707.85, 3,737.06 and 1,529.13 is: 2,110.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.85 : 3,737.06 = 1,529.13 : x
  2. Step 2: Convert to fraction form
    2,707.85/3,737.06 = 1,529.13/x
  3. Step 3: Cross multiply
    2,707.85x = 3,737.06 × 1,529.13
  4. Step 4: Simplify right side
    2,707.85x = 5,714,442.91
  5. Step 5: Solve for x
    x = 5,714,442.91/2,707.85
  6. Step 6: Final answer
    x = 2,110.33

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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.