Home / 3,435.40-5,152.02-1,975.24

Finding the Fourth Proportional to 3,435.40, 5,152.02 and 1,975.24

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Solution

The fourth proportional to 3,435.40, 5,152.02 and 1,975.24 is: 2,962.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.40 : 5,152.02 = 1,975.24 : x
  2. Step 2: Convert to fraction form
    3,435.40/5,152.02 = 1,975.24/x
  3. Step 3: Cross multiply
    3,435.40x = 5,152.02 × 1,975.24
  4. Step 4: Simplify right side
    3,435.40x = 10,176,475.98
  5. Step 5: Solve for x
    x = 10,176,475.98/3,435.40
  6. Step 6: Final answer
    x = 2,962.24

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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.