Home / 1,607.68-2,217.60-1,166.08

Finding the Fourth Proportional to 1,607.68, 2,217.60 and 1,166.08

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Solution

The fourth proportional to 1,607.68, 2,217.60 and 1,166.08 is: 1,608.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.68 : 2,217.60 = 1,166.08 : x
  2. Step 2: Convert to fraction form
    1,607.68/2,217.60 = 1,166.08/x
  3. Step 3: Cross multiply
    1,607.68x = 2,217.60 × 1,166.08
  4. Step 4: Simplify right side
    1,607.68x = 2,585,899.01
  5. Step 5: Solve for x
    x = 2,585,899.01/1,607.68
  6. Step 6: Final answer
    x = 1,608.47

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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.