Home / 1,927.18-2,659.53-1,130.68

Finding the Fourth Proportional to 1,927.18, 2,659.53 and 1,130.68

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Solution

The fourth proportional to 1,927.18, 2,659.53 and 1,130.68 is: 1,560.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.18 : 2,659.53 = 1,130.68 : x
  2. Step 2: Convert to fraction form
    1,927.18/2,659.53 = 1,130.68/x
  3. Step 3: Cross multiply
    1,927.18x = 2,659.53 × 1,130.68
  4. Step 4: Simplify right side
    1,927.18x = 3,007,077.38
  5. Step 5: Solve for x
    x = 3,007,077.38/1,927.18
  6. Step 6: Final answer
    x = 1,560.35

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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.