Home / 1,118.19-1,541.17-802.59

Finding the Fourth Proportional to 1,118.19, 1,541.17 and 802.59

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Solution

The fourth proportional to 1,118.19, 1,541.17 and 802.59 is: 1,106.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118.19 : 1,541.17 = 802.59 : x
  2. Step 2: Convert to fraction form
    1,118.19/1,541.17 = 802.59/x
  3. Step 3: Cross multiply
    1,118.19x = 1,541.17 × 802.59
  4. Step 4: Simplify right side
    1,118.19x = 1,236,925.62
  5. Step 5: Solve for x
    x = 1,236,925.62/1,118.19
  6. Step 6: Final answer
    x = 1,106.19

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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.