Home / 2,708.47-3,737.85-1,529.65

Finding the Fourth Proportional to 2,708.47, 3,737.85 and 1,529.65

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Solution

The fourth proportional to 2,708.47, 3,737.85 and 1,529.65 is: 2,111.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.47 : 3,737.85 = 1,529.65 : x
  2. Step 2: Convert to fraction form
    2,708.47/3,737.85 = 1,529.65/x
  3. Step 3: Cross multiply
    2,708.47x = 3,737.85 × 1,529.65
  4. Step 4: Simplify right side
    2,708.47x = 5,717,602.25
  5. Step 5: Solve for x
    x = 5,717,602.25/2,708.47
  6. Step 6: Final answer
    x = 2,111.01

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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.