Home / 1,820.04-2,731.68-846.69

Finding the Fourth Proportional to 1,820.04, 2,731.68 and 846.69

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Solution

The fourth proportional to 1,820.04, 2,731.68 and 846.69 is: 1,270.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820.04 : 2,731.68 = 846.69 : x
  2. Step 2: Convert to fraction form
    1,820.04/2,731.68 = 846.69/x
  3. Step 3: Cross multiply
    1,820.04x = 2,731.68 × 846.69
  4. Step 4: Simplify right side
    1,820.04x = 2,312,886.14
  5. Step 5: Solve for x
    x = 2,312,886.14/1,820.04
  6. Step 6: Final answer
    x = 1,270.79

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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.