Home / 1,559.04-2,350.05-1,427.60

Finding the Fourth Proportional to 1,559.04, 2,350.05 and 1,427.60

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Solution

The fourth proportional to 1,559.04, 2,350.05 and 1,427.60 is: 2,151.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559.04 : 2,350.05 = 1,427.60 : x
  2. Step 2: Convert to fraction form
    1,559.04/2,350.05 = 1,427.60/x
  3. Step 3: Cross multiply
    1,559.04x = 2,350.05 × 1,427.60
  4. Step 4: Simplify right side
    1,559.04x = 3,354,919.63
  5. Step 5: Solve for x
    x = 3,354,919.63/1,559.04
  6. Step 6: Final answer
    x = 2,151.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.