Home / 1,483.47-2,221.07-1,117.13

Finding the Fourth Proportional to 1,483.47, 2,221.07 and 1,117.13

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Solution

The fourth proportional to 1,483.47, 2,221.07 and 1,117.13 is: 1,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.47 : 2,221.07 = 1,117.13 : x
  2. Step 2: Convert to fraction form
    1,483.47/2,221.07 = 1,117.13/x
  3. Step 3: Cross multiply
    1,483.47x = 2,221.07 × 1,117.13
  4. Step 4: Simplify right side
    1,483.47x = 2,481,207.24
  5. Step 5: Solve for x
    x = 2,481,207.24/1,483.47
  6. Step 6: Final answer
    x = 1,672.57

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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.