Home / 1,845.06-2,543.48-1,402.18

Finding the Fourth Proportional to 1,845.06, 2,543.48 and 1,402.18

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Solution

The fourth proportional to 1,845.06, 2,543.48 and 1,402.18 is: 1,932.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.06 : 2,543.48 = 1,402.18 : x
  2. Step 2: Convert to fraction form
    1,845.06/2,543.48 = 1,402.18/x
  3. Step 3: Cross multiply
    1,845.06x = 2,543.48 × 1,402.18
  4. Step 4: Simplify right side
    1,845.06x = 3,566,416.79
  5. Step 5: Solve for x
    x = 3,566,416.79/1,845.06
  6. Step 6: Final answer
    x = 1,932.95

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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.