Home / 1,558.81-2,325.26-1,442.56

Finding the Fourth Proportional to 1,558.81, 2,325.26 and 1,442.56

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Solution

The fourth proportional to 1,558.81, 2,325.26 and 1,442.56 is: 2,151.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.81 : 2,325.26 = 1,442.56 : x
  2. Step 2: Convert to fraction form
    1,558.81/2,325.26 = 1,442.56/x
  3. Step 3: Cross multiply
    1,558.81x = 2,325.26 × 1,442.56
  4. Step 4: Simplify right side
    1,558.81x = 3,354,327.07
  5. Step 5: Solve for x
    x = 3,354,327.07/1,558.81
  6. Step 6: Final answer
    x = 2,151.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.