Home / 1,591.37-2,193.66-1,117.94

Finding the Fourth Proportional to 1,591.37, 2,193.66 and 1,117.94

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Solution

The fourth proportional to 1,591.37, 2,193.66 and 1,117.94 is: 1,541.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.37 : 2,193.66 = 1,117.94 : x
  2. Step 2: Convert to fraction form
    1,591.37/2,193.66 = 1,117.94/x
  3. Step 3: Cross multiply
    1,591.37x = 2,193.66 × 1,117.94
  4. Step 4: Simplify right side
    1,591.37x = 2,452,385.74
  5. Step 5: Solve for x
    x = 2,452,385.74/1,591.37
  6. Step 6: Final answer
    x = 1,541.05

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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.