Home / 1,868.04-2,802.23-943.13

Finding the Fourth Proportional to 1,868.04, 2,802.23 and 943.13

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Solution

The fourth proportional to 1,868.04, 2,802.23 and 943.13 is: 1,414.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.04 : 2,802.23 = 943.13 : x
  2. Step 2: Convert to fraction form
    1,868.04/2,802.23 = 943.13/x
  3. Step 3: Cross multiply
    1,868.04x = 2,802.23 × 943.13
  4. Step 4: Simplify right side
    1,868.04x = 2,642,848.45
  5. Step 5: Solve for x
    x = 2,642,848.45/1,868.04
  6. Step 6: Final answer
    x = 1,414.77

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1.5x scale

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.