Home / 1,874.29-2,587.40-1,088.19

Finding the Fourth Proportional to 1,874.29, 2,587.40 and 1,088.19

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Solution

The fourth proportional to 1,874.29, 2,587.40 and 1,088.19 is: 1,502.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.29 : 2,587.40 = 1,088.19 : x
  2. Step 2: Convert to fraction form
    1,874.29/2,587.40 = 1,088.19/x
  3. Step 3: Cross multiply
    1,874.29x = 2,587.40 × 1,088.19
  4. Step 4: Simplify right side
    1,874.29x = 2,815,582.81
  5. Step 5: Solve for x
    x = 2,815,582.81/1,874.29
  6. Step 6: Final answer
    x = 1,502.21

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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.