Home / 1,816.62-2,507.13-1,030.65

Finding the Fourth Proportional to 1,816.62, 2,507.13 and 1,030.65

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Solution

The fourth proportional to 1,816.62, 2,507.13 and 1,030.65 is: 1,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.62 : 2,507.13 = 1,030.65 : x
  2. Step 2: Convert to fraction form
    1,816.62/2,507.13 = 1,030.65/x
  3. Step 3: Cross multiply
    1,816.62x = 2,507.13 × 1,030.65
  4. Step 4: Simplify right side
    1,816.62x = 2,583,973.53
  5. Step 5: Solve for x
    x = 2,583,973.53/1,816.62
  6. Step 6: Final answer
    x = 1,422.41

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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.