Home / 1,486.04-2,048.44-1,223.60

Finding the Fourth Proportional to 1,486.04, 2,048.44 and 1,223.60

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Solution

The fourth proportional to 1,486.04, 2,048.44 and 1,223.60 is: 1,686.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.04 : 2,048.44 = 1,223.60 : x
  2. Step 2: Convert to fraction form
    1,486.04/2,048.44 = 1,223.60/x
  3. Step 3: Cross multiply
    1,486.04x = 2,048.44 × 1,223.60
  4. Step 4: Simplify right side
    1,486.04x = 2,506,471.18
  5. Step 5: Solve for x
    x = 2,506,471.18/1,486.04
  6. Step 6: Final answer
    x = 1,686.68

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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.