Home / 1,806.05-2,492.51-1,009.46

Finding the Fourth Proportional to 1,806.05, 2,492.51 and 1,009.46

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Solution

The fourth proportional to 1,806.05, 2,492.51 and 1,009.46 is: 1,393.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.05 : 2,492.51 = 1,009.46 : x
  2. Step 2: Convert to fraction form
    1,806.05/2,492.51 = 1,009.46/x
  3. Step 3: Cross multiply
    1,806.05x = 2,492.51 × 1,009.46
  4. Step 4: Simplify right side
    1,806.05x = 2,516,071.63
  5. Step 5: Solve for x
    x = 2,516,071.63/1,806.05
  6. Step 6: Final answer
    x = 1,393.14

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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.