Home / 1,340.08-2,010.32-474.19

Finding the Fourth Proportional to 1,340.08, 2,010.32 and 474.19

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Solution

The fourth proportional to 1,340.08, 2,010.32 and 474.19 is: 711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.08 : 2,010.32 = 474.19 : x
  2. Step 2: Convert to fraction form
    1,340.08/2,010.32 = 474.19/x
  3. Step 3: Cross multiply
    1,340.08x = 2,010.32 × 474.19
  4. Step 4: Simplify right side
    1,340.08x = 953,268.02
  5. Step 5: Solve for x
    x = 953,268.02/1,340.08
  6. Step 6: Final answer
    x = 711.35

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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.