Home / 1,532.95-2,117.40-1,333.39

Finding the Fourth Proportional to 1,532.95, 2,117.40 and 1,333.39

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Solution

The fourth proportional to 1,532.95, 2,117.40 and 1,333.39 is: 1,841.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.95 : 2,117.40 = 1,333.39 : x
  2. Step 2: Convert to fraction form
    1,532.95/2,117.40 = 1,333.39/x
  3. Step 3: Cross multiply
    1,532.95x = 2,117.40 × 1,333.39
  4. Step 4: Simplify right side
    1,532.95x = 2,823,317.08
  5. Step 5: Solve for x
    x = 2,823,317.08/1,532.95
  6. Step 6: Final answer
    x = 1,841.75

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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.