Home / 1,655.64-2,478.60-1,160.33

Finding the Fourth Proportional to 1,655.64, 2,478.60 and 1,160.33

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Solution

The fourth proportional to 1,655.64, 2,478.60 and 1,160.33 is: 1,737.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.64 : 2,478.60 = 1,160.33 : x
  2. Step 2: Convert to fraction form
    1,655.64/2,478.60 = 1,160.33/x
  3. Step 3: Cross multiply
    1,655.64x = 2,478.60 × 1,160.33
  4. Step 4: Simplify right side
    1,655.64x = 2,875,981.55
  5. Step 5: Solve for x
    x = 2,875,981.55/1,655.64
  6. Step 6: Final answer
    x = 1,737.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.