Home / 1,567.61-2,160.34-1,357.13

Finding the Fourth Proportional to 1,567.61, 2,160.34 and 1,357.13

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Solution

The fourth proportional to 1,567.61, 2,160.34 and 1,357.13 is: 1,870.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.61 : 2,160.34 = 1,357.13 : x
  2. Step 2: Convert to fraction form
    1,567.61/2,160.34 = 1,357.13/x
  3. Step 3: Cross multiply
    1,567.61x = 2,160.34 × 1,357.13
  4. Step 4: Simplify right side
    1,567.61x = 2,931,862.22
  5. Step 5: Solve for x
    x = 2,931,862.22/1,567.61
  6. Step 6: Final answer
    x = 1,870.28

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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.