Home / 1,482.04-2,045.14-818.85

Finding the Fourth Proportional to 1,482.04, 2,045.14 and 818.85

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Solution

The fourth proportional to 1,482.04, 2,045.14 and 818.85 is: 1,129.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.04 : 2,045.14 = 818.85 : x
  2. Step 2: Convert to fraction form
    1,482.04/2,045.14 = 818.85/x
  3. Step 3: Cross multiply
    1,482.04x = 2,045.14 × 818.85
  4. Step 4: Simplify right side
    1,482.04x = 1,674,662.89
  5. Step 5: Solve for x
    x = 1,674,662.89/1,482.04
  6. Step 6: Final answer
    x = 1,129.97

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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.