Home / 3,875.65-5,812.60-1,102.26

Finding the Fourth Proportional to 3,875.65, 5,812.60 and 1,102.26

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Solution

The fourth proportional to 3,875.65, 5,812.60 and 1,102.26 is: 1,653.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.65 : 5,812.60 = 1,102.26 : x
  2. Step 2: Convert to fraction form
    3,875.65/5,812.60 = 1,102.26/x
  3. Step 3: Cross multiply
    3,875.65x = 5,812.60 × 1,102.26
  4. Step 4: Simplify right side
    3,875.65x = 6,406,996.48
  5. Step 5: Solve for x
    x = 6,406,996.48/3,875.65
  6. Step 6: Final answer
    x = 1,653.14

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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.