Home / 1,488.34-2,054.85-1,094.68

Finding the Fourth Proportional to 1,488.34, 2,054.85 and 1,094.68

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Solution

The fourth proportional to 1,488.34, 2,054.85 and 1,094.68 is: 1,511.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488.34 : 2,054.85 = 1,094.68 : x
  2. Step 2: Convert to fraction form
    1,488.34/2,054.85 = 1,094.68/x
  3. Step 3: Cross multiply
    1,488.34x = 2,054.85 × 1,094.68
  4. Step 4: Simplify right side
    1,488.34x = 2,249,392.92
  5. Step 5: Solve for x
    x = 2,249,392.92/1,488.34
  6. Step 6: Final answer
    x = 1,511.35

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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.