Home / 1,032.96-1,557.55-946.86

Finding the Fourth Proportional to 1,032.96, 1,557.55 and 946.86

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Solution

The fourth proportional to 1,032.96, 1,557.55 and 946.86 is: 1,427.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.96 : 1,557.55 = 946.86 : x
  2. Step 2: Convert to fraction form
    1,032.96/1,557.55 = 946.86/x
  3. Step 3: Cross multiply
    1,032.96x = 1,557.55 × 946.86
  4. Step 4: Simplify right side
    1,032.96x = 1,474,781.79
  5. Step 5: Solve for x
    x = 1,474,781.79/1,032.96
  6. Step 6: Final answer
    x = 1,427.72

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1.5x scale

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.