Home / 1,884.48-2,598.94-1,220.70

Finding the Fourth Proportional to 1,884.48, 2,598.94 and 1,220.70

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Solution

The fourth proportional to 1,884.48, 2,598.94 and 1,220.70 is: 1,683.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.48 : 2,598.94 = 1,220.70 : x
  2. Step 2: Convert to fraction form
    1,884.48/2,598.94 = 1,220.70/x
  3. Step 3: Cross multiply
    1,884.48x = 2,598.94 × 1,220.70
  4. Step 4: Simplify right side
    1,884.48x = 3,172,526.06
  5. Step 5: Solve for x
    x = 3,172,526.06/1,884.48
  6. Step 6: Final answer
    x = 1,683.50

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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.