Home / 3,457.60-4,766.52-2,130.40

Finding the Fourth Proportional to 3,457.60, 4,766.52 and 2,130.40

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Solution

The fourth proportional to 3,457.60, 4,766.52 and 2,130.40 is: 2,936.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.60 : 4,766.52 = 2,130.40 : x
  2. Step 2: Convert to fraction form
    3,457.60/4,766.52 = 2,130.40/x
  3. Step 3: Cross multiply
    3,457.60x = 4,766.52 × 2,130.40
  4. Step 4: Simplify right side
    3,457.60x = 10,154,594.21
  5. Step 5: Solve for x
    x = 10,154,594.21/3,457.60
  6. Step 6: Final answer
    x = 2,936.89

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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.