Home / 1,668.59-2,302.22-1,136.51

Finding the Fourth Proportional to 1,668.59, 2,302.22 and 1,136.51

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Solution

The fourth proportional to 1,668.59, 2,302.22 and 1,136.51 is: 1,568.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668.59 : 2,302.22 = 1,136.51 : x
  2. Step 2: Convert to fraction form
    1,668.59/2,302.22 = 1,136.51/x
  3. Step 3: Cross multiply
    1,668.59x = 2,302.22 × 1,136.51
  4. Step 4: Simplify right side
    1,668.59x = 2,616,478.86
  5. Step 5: Solve for x
    x = 2,616,478.86/1,668.59
  6. Step 6: Final answer
    x = 1,568.08

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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.