Home / 1,691.22-2,320.54-1,598.34

Finding the Fourth Proportional to 1,691.22, 2,320.54 and 1,598.34

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Solution

The fourth proportional to 1,691.22, 2,320.54 and 1,598.34 is: 2,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691.22 : 2,320.54 = 1,598.34 : x
  2. Step 2: Convert to fraction form
    1,691.22/2,320.54 = 1,598.34/x
  3. Step 3: Cross multiply
    1,691.22x = 2,320.54 × 1,598.34
  4. Step 4: Simplify right side
    1,691.22x = 3,709,011.90
  5. Step 5: Solve for x
    x = 3,709,011.90/1,691.22
  6. Step 6: Final answer
    x = 2,193.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.