Home / 1,356.18-2,034.76-535.02

Finding the Fourth Proportional to 1,356.18, 2,034.76 and 535.02

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Solution

The fourth proportional to 1,356.18, 2,034.76 and 535.02 is: 802.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356.18 : 2,034.76 = 535.02 : x
  2. Step 2: Convert to fraction form
    1,356.18/2,034.76 = 535.02/x
  3. Step 3: Cross multiply
    1,356.18x = 2,034.76 × 535.02
  4. Step 4: Simplify right side
    1,356.18x = 1,088,637.30
  5. Step 5: Solve for x
    x = 1,088,637.30/1,356.18
  6. Step 6: Final answer
    x = 802.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.