Home / 1,445.04-2,167.38-826.74

Finding the Fourth Proportional to 1,445.04, 2,167.38 and 826.74

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Solution

The fourth proportional to 1,445.04, 2,167.38 and 826.74 is: 1,240.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445.04 : 2,167.38 = 826.74 : x
  2. Step 2: Convert to fraction form
    1,445.04/2,167.38 = 826.74/x
  3. Step 3: Cross multiply
    1,445.04x = 2,167.38 × 826.74
  4. Step 4: Simplify right side
    1,445.04x = 1,791,859.74
  5. Step 5: Solve for x
    x = 1,791,859.74/1,445.04
  6. Step 6: Final answer
    x = 1,240.01

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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.