Home / 1,476.42-2,036.75-917.54

Finding the Fourth Proportional to 1,476.42, 2,036.75 and 917.54

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Solution

The fourth proportional to 1,476.42, 2,036.75 and 917.54 is: 1,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.42 : 2,036.75 = 917.54 : x
  2. Step 2: Convert to fraction form
    1,476.42/2,036.75 = 917.54/x
  3. Step 3: Cross multiply
    1,476.42x = 2,036.75 × 917.54
  4. Step 4: Simplify right side
    1,476.42x = 1,868,799.60
  5. Step 5: Solve for x
    x = 1,868,799.60/1,476.42
  6. Step 6: Final answer
    x = 1,265.76

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1.5x scale

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.