Home / 2,079.08-3,117.16-846.12

Finding the Fourth Proportional to 2,079.08, 3,117.16 and 846.12

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Solution

The fourth proportional to 2,079.08, 3,117.16 and 846.12 is: 1,268.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.08 : 3,117.16 = 846.12 : x
  2. Step 2: Convert to fraction form
    2,079.08/3,117.16 = 846.12/x
  3. Step 3: Cross multiply
    2,079.08x = 3,117.16 × 846.12
  4. Step 4: Simplify right side
    2,079.08x = 2,637,491.42
  5. Step 5: Solve for x
    x = 2,637,491.42/2,079.08
  6. Step 6: Final answer
    x = 1,268.59

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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.