Home / 2,925.43-4,036.81-1,666.39

Finding the Fourth Proportional to 2,925.43, 4,036.81 and 1,666.39

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Solution

The fourth proportional to 2,925.43, 4,036.81 and 1,666.39 is: 2,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.43 : 4,036.81 = 1,666.39 : x
  2. Step 2: Convert to fraction form
    2,925.43/4,036.81 = 1,666.39/x
  3. Step 3: Cross multiply
    2,925.43x = 4,036.81 × 1,666.39
  4. Step 4: Simplify right side
    2,925.43x = 6,726,900.94
  5. Step 5: Solve for x
    x = 6,726,900.94/2,925.43
  6. Step 6: Final answer
    x = 2,299.45

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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.