Home / 2,877.42-4,317.27-1,147.26

Finding the Fourth Proportional to 2,877.42, 4,317.27 and 1,147.26

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Solution

The fourth proportional to 2,877.42, 4,317.27 and 1,147.26 is: 1,721.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.42 : 4,317.27 = 1,147.26 : x
  2. Step 2: Convert to fraction form
    2,877.42/4,317.27 = 1,147.26/x
  3. Step 3: Cross multiply
    2,877.42x = 4,317.27 × 1,147.26
  4. Step 4: Simplify right side
    2,877.42x = 4,953,031.18
  5. Step 5: Solve for x
    x = 4,953,031.18/2,877.42
  6. Step 6: Final answer
    x = 1,721.34

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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.