Home / 1,043.90-1,566.12-394.64

Finding the Fourth Proportional to 1,043.90, 1,566.12 and 394.64

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Solution

The fourth proportional to 1,043.90, 1,566.12 and 394.64 is: 592.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043.90 : 1,566.12 = 394.64 : x
  2. Step 2: Convert to fraction form
    1,043.90/1,566.12 = 394.64/x
  3. Step 3: Cross multiply
    1,043.90x = 1,566.12 × 394.64
  4. Step 4: Simplify right side
    1,043.90x = 618,053.60
  5. Step 5: Solve for x
    x = 618,053.60/1,043.90
  6. Step 6: Final answer
    x = 592.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.