Home / 2,435.64-3,357.36-2,140.40

Finding the Fourth Proportional to 2,435.64, 3,357.36 and 2,140.40

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Solution

The fourth proportional to 2,435.64, 3,357.36 and 2,140.40 is: 2,950.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.64 : 3,357.36 = 2,140.40 : x
  2. Step 2: Convert to fraction form
    2,435.64/3,357.36 = 2,140.40/x
  3. Step 3: Cross multiply
    2,435.64x = 3,357.36 × 2,140.40
  4. Step 4: Simplify right side
    2,435.64x = 7,186,093.34
  5. Step 5: Solve for x
    x = 7,186,093.34/2,435.64
  6. Step 6: Final answer
    x = 2,950.39

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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.