Home / 3,030.28-4,547.40-1,570.40

Finding the Fourth Proportional to 3,030.28, 4,547.40 and 1,570.40

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Solution

The fourth proportional to 3,030.28, 4,547.40 and 1,570.40 is: 2,356.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.28 : 4,547.40 = 1,570.40 : x
  2. Step 2: Convert to fraction form
    3,030.28/4,547.40 = 1,570.40/x
  3. Step 3: Cross multiply
    3,030.28x = 4,547.40 × 1,570.40
  4. Step 4: Simplify right side
    3,030.28x = 7,141,236.96
  5. Step 5: Solve for x
    x = 7,141,236.96/3,030.28
  6. Step 6: Final answer
    x = 2,356.63

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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.