Home / 3,457.49-4,771.31-1,885.55

Finding the Fourth Proportional to 3,457.49, 4,771.31 and 1,885.55

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Solution

The fourth proportional to 3,457.49, 4,771.31 and 1,885.55 is: 2,602.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.49 : 4,771.31 = 1,885.55 : x
  2. Step 2: Convert to fraction form
    3,457.49/4,771.31 = 1,885.55/x
  3. Step 3: Cross multiply
    3,457.49x = 4,771.31 × 1,885.55
  4. Step 4: Simplify right side
    3,457.49x = 8,996,543.57
  5. Step 5: Solve for x
    x = 8,996,543.57/3,457.49
  6. Step 6: Final answer
    x = 2,602.04

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Double scale
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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.