Home / 1,668.35-2,303.28-1,483.80

Finding the Fourth Proportional to 1,668.35, 2,303.28 and 1,483.80

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Solution

The fourth proportional to 1,668.35, 2,303.28 and 1,483.80 is: 2,048.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668.35 : 2,303.28 = 1,483.80 : x
  2. Step 2: Convert to fraction form
    1,668.35/2,303.28 = 1,483.80/x
  3. Step 3: Cross multiply
    1,668.35x = 2,303.28 × 1,483.80
  4. Step 4: Simplify right side
    1,668.35x = 3,417,606.86
  5. Step 5: Solve for x
    x = 3,417,606.86/1,668.35
  6. Step 6: Final answer
    x = 2,048.50

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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.