Home / 1,873.64-2,586.18-1,210.48

Finding the Fourth Proportional to 1,873.64, 2,586.18 and 1,210.48

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Solution

The fourth proportional to 1,873.64, 2,586.18 and 1,210.48 is: 1,670.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.64 : 2,586.18 = 1,210.48 : x
  2. Step 2: Convert to fraction form
    1,873.64/2,586.18 = 1,210.48/x
  3. Step 3: Cross multiply
    1,873.64x = 2,586.18 × 1,210.48
  4. Step 4: Simplify right side
    1,873.64x = 3,130,519.17
  5. Step 5: Solve for x
    x = 3,130,519.17/1,873.64
  6. Step 6: Final answer
    x = 1,670.82

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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.