Home / 3,875.36-5,345.84-2,529.07

Finding the Fourth Proportional to 3,875.36, 5,345.84 and 2,529.07

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Solution

The fourth proportional to 3,875.36, 5,345.84 and 2,529.07 is: 3,488.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.36 : 5,345.84 = 2,529.07 : x
  2. Step 2: Convert to fraction form
    3,875.36/5,345.84 = 2,529.07/x
  3. Step 3: Cross multiply
    3,875.36x = 5,345.84 × 2,529.07
  4. Step 4: Simplify right side
    3,875.36x = 13,519,996.53
  5. Step 5: Solve for x
    x = 13,519,996.53/3,875.36
  6. Step 6: Final answer
    x = 3,488.70

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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.