Home / 1,488.53-2,055.44-1,411.13

Finding the Fourth Proportional to 1,488.53, 2,055.44 and 1,411.13

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Solution

The fourth proportional to 1,488.53, 2,055.44 and 1,411.13 is: 1,948.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488.53 : 2,055.44 = 1,411.13 : x
  2. Step 2: Convert to fraction form
    1,488.53/2,055.44 = 1,411.13/x
  3. Step 3: Cross multiply
    1,488.53x = 2,055.44 × 1,411.13
  4. Step 4: Simplify right side
    1,488.53x = 2,900,485.64
  5. Step 5: Solve for x
    x = 2,900,485.64/1,488.53
  6. Step 6: Final answer
    x = 1,948.56

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1.5x scale

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.