Home / 2,746.13-4,117.95-1,185.40

Finding the Fourth Proportional to 2,746.13, 4,117.95 and 1,185.40

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Solution

The fourth proportional to 2,746.13, 4,117.95 and 1,185.40 is: 1,777.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.13 : 4,117.95 = 1,185.40 : x
  2. Step 2: Convert to fraction form
    2,746.13/4,117.95 = 1,185.40/x
  3. Step 3: Cross multiply
    2,746.13x = 4,117.95 × 1,185.40
  4. Step 4: Simplify right side
    2,746.13x = 4,881,417.93
  5. Step 5: Solve for x
    x = 4,881,417.93/2,746.13
  6. Step 6: Final answer
    x = 1,777.56

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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.