Home / 1,860.36-2,564.73-1,802.85

Finding the Fourth Proportional to 1,860.36, 2,564.73 and 1,802.85

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Solution

The fourth proportional to 1,860.36, 2,564.73 and 1,802.85 is: 2,485.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.36 : 2,564.73 = 1,802.85 : x
  2. Step 2: Convert to fraction form
    1,860.36/2,564.73 = 1,802.85/x
  3. Step 3: Cross multiply
    1,860.36x = 2,564.73 × 1,802.85
  4. Step 4: Simplify right side
    1,860.36x = 4,623,823.48
  5. Step 5: Solve for x
    x = 4,623,823.48/1,860.36
  6. Step 6: Final answer
    x = 2,485.45

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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.