Home / 1,558.24-2,146.48-1,458.40

Finding the Fourth Proportional to 1,558.24, 2,146.48 and 1,458.40

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Solution

The fourth proportional to 1,558.24, 2,146.48 and 1,458.40 is: 2,008.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.24 : 2,146.48 = 1,458.40 : x
  2. Step 2: Convert to fraction form
    1,558.24/2,146.48 = 1,458.40/x
  3. Step 3: Cross multiply
    1,558.24x = 2,146.48 × 1,458.40
  4. Step 4: Simplify right side
    1,558.24x = 3,130,426.43
  5. Step 5: Solve for x
    x = 3,130,426.43/1,558.24
  6. Step 6: Final answer
    x = 2,008.95

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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.