Home / 2,909.40-4,353.32-1,740.02

Finding the Fourth Proportional to 2,909.40, 4,353.32 and 1,740.02

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Solution

The fourth proportional to 2,909.40, 4,353.32 and 1,740.02 is: 2,603.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.40 : 4,353.32 = 1,740.02 : x
  2. Step 2: Convert to fraction form
    2,909.40/4,353.32 = 1,740.02/x
  3. Step 3: Cross multiply
    2,909.40x = 4,353.32 × 1,740.02
  4. Step 4: Simplify right side
    2,909.40x = 7,574,833.40
  5. Step 5: Solve for x
    x = 7,574,833.40/2,909.40
  6. Step 6: Final answer
    x = 2,603.57

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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.