Home / 2,420.04-3,339.93-1,425.57

Finding the Fourth Proportional to 2,420.04, 3,339.93 and 1,425.57

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Solution

The fourth proportional to 2,420.04, 3,339.93 and 1,425.57 is: 1,967.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.04 : 3,339.93 = 1,425.57 : x
  2. Step 2: Convert to fraction form
    2,420.04/3,339.93 = 1,425.57/x
  3. Step 3: Cross multiply
    2,420.04x = 3,339.93 × 1,425.57
  4. Step 4: Simplify right side
    2,420.04x = 4,761,304.01
  5. Step 5: Solve for x
    x = 4,761,304.01/2,420.04
  6. Step 6: Final answer
    x = 1,967.45

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1.5x scale

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.