Home / 1,881.54-2,595.40-1,135.06

Finding the Fourth Proportional to 1,881.54, 2,595.40 and 1,135.06

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Solution

The fourth proportional to 1,881.54, 2,595.40 and 1,135.06 is: 1,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.54 : 2,595.40 = 1,135.06 : x
  2. Step 2: Convert to fraction form
    1,881.54/2,595.40 = 1,135.06/x
  3. Step 3: Cross multiply
    1,881.54x = 2,595.40 × 1,135.06
  4. Step 4: Simplify right side
    1,881.54x = 2,945,925.40
  5. Step 5: Solve for x
    x = 2,945,925.40/1,881.54
  6. Step 6: Final answer
    x = 1,565.70

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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.