Home / 1,599.84-2,206.40-1,101.68

Finding the Fourth Proportional to 1,599.84, 2,206.40 and 1,101.68

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Solution

The fourth proportional to 1,599.84, 2,206.40 and 1,101.68 is: 1,519.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599.84 : 2,206.40 = 1,101.68 : x
  2. Step 2: Convert to fraction form
    1,599.84/2,206.40 = 1,101.68/x
  3. Step 3: Cross multiply
    1,599.84x = 2,206.40 × 1,101.68
  4. Step 4: Simplify right side
    1,599.84x = 2,430,746.75
  5. Step 5: Solve for x
    x = 2,430,746.75/1,599.84
  6. Step 6: Final answer
    x = 1,519.37

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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.