Home / 1,820.16-2,510.64-1,156.32

Finding the Fourth Proportional to 1,820.16, 2,510.64 and 1,156.32

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Solution

The fourth proportional to 1,820.16, 2,510.64 and 1,156.32 is: 1,594.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820.16 : 2,510.64 = 1,156.32 : x
  2. Step 2: Convert to fraction form
    1,820.16/2,510.64 = 1,156.32/x
  3. Step 3: Cross multiply
    1,820.16x = 2,510.64 × 1,156.32
  4. Step 4: Simplify right side
    1,820.16x = 2,903,103.24
  5. Step 5: Solve for x
    x = 2,903,103.24/1,820.16
  6. Step 6: Final answer
    x = 1,594.97

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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.