Home / 2,434.80-3,360-1,503.12

Finding the Fourth Proportional to 2,434.80, 3,360 and 1,503.12

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Solution

The fourth proportional to 2,434.80, 3,360 and 1,503.12 is: 2,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,434.80 : 3,360 = 1,503.12 : x
  2. Step 2: Convert to fraction form
    2,434.80/3,360 = 1,503.12/x
  3. Step 3: Cross multiply
    2,434.80x = 3,360 × 1,503.12
  4. Step 4: Simplify right side
    2,434.80x = 5,050,483.20
  5. Step 5: Solve for x
    x = 5,050,483.20/2,434.80
  6. Step 6: Final answer
    x = 2,074.29

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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.