Home / 3,042.59-4,563.93-1,287.37

Finding the Fourth Proportional to 3,042.59, 4,563.93 and 1,287.37

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Solution

The fourth proportional to 3,042.59, 4,563.93 and 1,287.37 is: 1,931.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.59 : 4,563.93 = 1,287.37 : x
  2. Step 2: Convert to fraction form
    3,042.59/4,563.93 = 1,287.37/x
  3. Step 3: Cross multiply
    3,042.59x = 4,563.93 × 1,287.37
  4. Step 4: Simplify right side
    3,042.59x = 5,875,460.13
  5. Step 5: Solve for x
    x = 5,875,460.13/3,042.59
  6. Step 6: Final answer
    x = 1,931.08

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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.