Home / 1,862.30-2,569.95-1,054.79

Finding the Fourth Proportional to 1,862.30, 2,569.95 and 1,054.79

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Solution

The fourth proportional to 1,862.30, 2,569.95 and 1,054.79 is: 1,455.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.30 : 2,569.95 = 1,054.79 : x
  2. Step 2: Convert to fraction form
    1,862.30/2,569.95 = 1,054.79/x
  3. Step 3: Cross multiply
    1,862.30x = 2,569.95 × 1,054.79
  4. Step 4: Simplify right side
    1,862.30x = 2,710,744.71
  5. Step 5: Solve for x
    x = 2,710,744.71/1,862.30
  6. Step 6: Final answer
    x = 1,455.59

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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.