Home / 1,458.24-2,174.51-1,445.07

Finding the Fourth Proportional to 1,458.24, 2,174.51 and 1,445.07

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Solution

The fourth proportional to 1,458.24, 2,174.51 and 1,445.07 is: 2,154.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458.24 : 2,174.51 = 1,445.07 : x
  2. Step 2: Convert to fraction form
    1,458.24/2,174.51 = 1,445.07/x
  3. Step 3: Cross multiply
    1,458.24x = 2,174.51 × 1,445.07
  4. Step 4: Simplify right side
    1,458.24x = 3,142,330.93
  5. Step 5: Solve for x
    x = 3,142,330.93/1,458.24
  6. Step 6: Final answer
    x = 2,154.88

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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.