Home / 2,386.53-3,292.65-1,442.68

Finding the Fourth Proportional to 2,386.53, 3,292.65 and 1,442.68

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Solution

The fourth proportional to 2,386.53, 3,292.65 and 1,442.68 is: 1,990.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.53 : 3,292.65 = 1,442.68 : x
  2. Step 2: Convert to fraction form
    2,386.53/3,292.65 = 1,442.68/x
  3. Step 3: Cross multiply
    2,386.53x = 3,292.65 × 1,442.68
  4. Step 4: Simplify right side
    2,386.53x = 4,750,232.07
  5. Step 5: Solve for x
    x = 4,750,232.07/2,386.53
  6. Step 6: Final answer
    x = 1,990.43

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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.