Home / 3,386.55-5,079.76-1,742.13

Finding the Fourth Proportional to 3,386.55, 5,079.76 and 1,742.13

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Solution

The fourth proportional to 3,386.55, 5,079.76 and 1,742.13 is: 2,613.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.55 : 5,079.76 = 1,742.13 : x
  2. Step 2: Convert to fraction form
    3,386.55/5,079.76 = 1,742.13/x
  3. Step 3: Cross multiply
    3,386.55x = 5,079.76 × 1,742.13
  4. Step 4: Simplify right side
    3,386.55x = 8,849,602.29
  5. Step 5: Solve for x
    x = 8,849,602.29/3,386.55
  6. Step 6: Final answer
    x = 2,613.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.