Home / 2,306.47-3,457.65-845.28

Finding the Fourth Proportional to 2,306.47, 3,457.65 and 845.28

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Solution

The fourth proportional to 2,306.47, 3,457.65 and 845.28 is: 1,267.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.47 : 3,457.65 = 845.28 : x
  2. Step 2: Convert to fraction form
    2,306.47/3,457.65 = 845.28/x
  3. Step 3: Cross multiply
    2,306.47x = 3,457.65 × 845.28
  4. Step 4: Simplify right side
    2,306.47x = 2,922,668.71
  5. Step 5: Solve for x
    x = 2,922,668.71/2,306.47
  6. Step 6: Final answer
    x = 1,267.16

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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.