Home / 2,925.63-4,036.95-1,666.28

Finding the Fourth Proportional to 2,925.63, 4,036.95 and 1,666.28

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Solution

The fourth proportional to 2,925.63, 4,036.95 and 1,666.28 is: 2,299.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.63 : 4,036.95 = 1,666.28 : x
  2. Step 2: Convert to fraction form
    2,925.63/4,036.95 = 1,666.28/x
  3. Step 3: Cross multiply
    2,925.63x = 4,036.95 × 1,666.28
  4. Step 4: Simplify right side
    2,925.63x = 6,726,668.86
  5. Step 5: Solve for x
    x = 6,726,668.86/2,925.63
  6. Step 6: Final answer
    x = 2,299.22

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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.