Home / 2,435.52-3,360.99-1,387.50

Finding the Fourth Proportional to 2,435.52, 3,360.99 and 1,387.50

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Solution

The fourth proportional to 2,435.52, 3,360.99 and 1,387.50 is: 1,914.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.52 : 3,360.99 = 1,387.50 : x
  2. Step 2: Convert to fraction form
    2,435.52/3,360.99 = 1,387.50/x
  3. Step 3: Cross multiply
    2,435.52x = 3,360.99 × 1,387.50
  4. Step 4: Simplify right side
    2,435.52x = 4,663,373.63
  5. Step 5: Solve for x
    x = 4,663,373.63/2,435.52
  6. Step 6: Final answer
    x = 1,914.73

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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.