Home / 1,488.51-2,056.23-1,175.85

Finding the Fourth Proportional to 1,488.51, 2,056.23 and 1,175.85

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Solution

The fourth proportional to 1,488.51, 2,056.23 and 1,175.85 is: 1,624.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488.51 : 2,056.23 = 1,175.85 : x
  2. Step 2: Convert to fraction form
    1,488.51/2,056.23 = 1,175.85/x
  3. Step 3: Cross multiply
    1,488.51x = 2,056.23 × 1,175.85
  4. Step 4: Simplify right side
    1,488.51x = 2,417,818.05
  5. Step 5: Solve for x
    x = 2,417,818.05/1,488.51
  6. Step 6: Final answer
    x = 1,624.32

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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.