Home / 2,783.95-4,176.28-1,030.18

Finding the Fourth Proportional to 2,783.95, 4,176.28 and 1,030.18

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Solution

The fourth proportional to 2,783.95, 4,176.28 and 1,030.18 is: 1,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.95 : 4,176.28 = 1,030.18 : x
  2. Step 2: Convert to fraction form
    2,783.95/4,176.28 = 1,030.18/x
  3. Step 3: Cross multiply
    2,783.95x = 4,176.28 × 1,030.18
  4. Step 4: Simplify right side
    2,783.95x = 4,302,320.13
  5. Step 5: Solve for x
    x = 4,302,320.13/2,783.95
  6. Step 6: Final answer
    x = 1,545.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.