Home / 1,302.93-1,810.51-1,289.61

Finding the Fourth Proportional to 1,302.93, 1,810.51 and 1,289.61

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Solution

The fourth proportional to 1,302.93, 1,810.51 and 1,289.61 is: 1,792.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302.93 : 1,810.51 = 1,289.61 : x
  2. Step 2: Convert to fraction form
    1,302.93/1,810.51 = 1,289.61/x
  3. Step 3: Cross multiply
    1,302.93x = 1,810.51 × 1,289.61
  4. Step 4: Simplify right side
    1,302.93x = 2,334,848.58
  5. Step 5: Solve for x
    x = 2,334,848.58/1,302.93
  6. Step 6: Final answer
    x = 1,792.00

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.