Home / 1,598.25-2,205.60-1,317.45

Finding the Fourth Proportional to 1,598.25, 2,205.60 and 1,317.45

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Solution

The fourth proportional to 1,598.25, 2,205.60 and 1,317.45 is: 1,818.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.25 : 2,205.60 = 1,317.45 : x
  2. Step 2: Convert to fraction form
    1,598.25/2,205.60 = 1,317.45/x
  3. Step 3: Cross multiply
    1,598.25x = 2,205.60 × 1,317.45
  4. Step 4: Simplify right side
    1,598.25x = 2,905,767.72
  5. Step 5: Solve for x
    x = 2,905,767.72/1,598.25
  6. Step 6: Final answer
    x = 1,818.09

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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.